 Online-Bangla

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Online-Bangla offers dozens of Grade-4 math skills to explore and learn! Not sure where to start? Go to your personalized Recommendations wall to find a skill that looks interesting, or select a skill plan that aligns to your textbook, state standards, or standardized test.

A. Number sense
1 Place value models
2 Convert between standard and expanded form
3 Value of a digit
4 Relationship between place values
5 Convert between place values
6 Identify place value names
7 Place values review
8 Word names for numbers
9 Rounding
10 Rounding input/output tables
11 Rounding puzzles
12 Even or odd
13 Even or odd: arithmetic rules
14 Understanding integers
15 Skip-counting sequences
16 Roman numerals
17 Prime and composite numbers
18 Inequalities with number lines
19 Compare numbers
20 Put numbers in order.

1 Addition facts up to 20
2 Addition facts up to 20: word problems
3 Complete the addition sentence: facts up to 20
5 Add numbers up to two digits: word problems
6 Complete the addition sentence: up to two digits
7 Add numbers up to three digits
8 Add numbers up to three digits: word problems
9 Complete the addition sentence: up to three digits
10 Add numbers up to four digits
11 Add numbers up to four digits: word problems
12 Complete the addition sentence: up to four digits
13 Addition: fill in the missing digits
15 Add three or more numbers
16 Addition patterns over increasing place values
17 Choose numbers with a particular sum
18 Estimate sums
19 Estimate sums: word problems

C. Subtraction
1 Subtraction facts up to 18
2 Subtraction facts up to 18: word problems
3 Complete the subtraction sentence: up to 18
4 Subtract numbers up to two digits
5 Subtract numbers up to two digits: word problems
6 Complete the subtraction sentence: up to two digits
7 Subtract numbers up to three digits
8 Subtract numbers up to three digits: word problems
9 Complete the subtraction sentence: up to three digits
10 Subtract numbers up to four digits
11 Subtract numbers up to four digits: word problems
12 Complete the subtraction sentence: up to four digits
13 Subtraction: fill in the missing digits
14 Subtraction patterns over increasing place values
15 Choose numbers with a particular difference
16 Estimate differences
17 Estimate differences: word problems
D. Understand multiplication
1 Count equal groups
2 Identify multiplication expressions for equal groups
3 Write multiplication sentences for equal groups
4 Relate addition and multiplication for equal groups
5 Identify multiplication expressions for arrays
6 Write multiplication sentences for arrays
7 Make arrays to model multiplication
8 Write multiplication sentences for number lines
E. Multiplication
1 Multiplication facts up to 10
2 Multiplication facts up to 10: find the missing factor
3 Choose the multiples of a given number up to 12
4 Choose numbers with a particular product
5 Identify factors
6 Find all the factor pairs of a number
7 Prime factorization
8 Multiply 1-digit numbers by teen numbers using grids
9 Multiply 1-digit numbers by 2-digit numbers using area models I
10 Multiply 1-digit numbers by 2-digit numbers using area models II
11 Multiply 1-digit numbers by 2-digit numbers
12 Multiply 1-digit numbers by 2-digit numbers: word problems
13 Multiply 1-digit numbers by 3-digit numbers using area models I
14 Multiply 1-digit numbers by 3-digit numbers using area models II
15 Multiply 1-digit numbers by 3-digit numbers using expanded form
16 Multiply 1-digit numbers by multi-digit numbers using partial products
17 Multiply 1-digit numbers by 3-digit numbers
18 Multiply 1-digit numbers by larger numbers
19 Multiply by 10 or 100
20 Multiplication patterns over increasing place values
21 Properties of multiplication
22 Distributive property: find the missing factor
23 Multiply using the distributive property
24 Use one multiplication fact to complete another
25 Estimate products: multiply by 1-digit numbers
26 Estimate products: multiply by larger numbers
27 Estimate products: word problems
28 Estimate products word problems: identify reasonable answers
29 Multiply numbers ending in zeroes
30 Multiply numbers ending in zeroes: word problems
31 Multiply three numbers
32 Multiply three or more numbers: word problems
33 Inequalities with multiplication
F. Multiplicative relationships
1 Compare numbers using multiplication
2 Compare numbers using multiplication: word problems
3 Unit rates and equivalent rates
G. Understand division
1 Divide by counting equal groups
2 Write division sentences for groups
3 Relate multiplication and division for groups
4 Write division sentences for arrays
5 Relate multiplication and division for arrays
6 Relate multiplication and division
7 Divide using arrays
8 Divide using area models
9 Divide using repeated subtraction
10 Divide using the distributive property
H. Division
1 Division facts up to 10
2 Division facts up to 10: word problems
3 Divide 2-digit numbers
4 Divide 2-digit numbers: word problems
5 Divide 2-digit numbers with remainders
6 Divide 2-digit numbers and interpret remainders
7 Divide 3-digit numbers
8 Divide 3-digit numbers: word problems
9 Divide 3-digit numbers with remainders
10 Divide 3-digit numbers and interpret remainders
11 Complete the division table: divide 3-digit numbers
12 Choose numbers with a particular quotient
13 Divide numbers ending in zeroes
14 Estimate quotients using compatible numbers
15 Inequalities with estimated quotients
16 Estimate quotients: word problems
17 Divisibility rules
18 Divisibility rules: word problems
19 Division patterns over increasing place values
20 Inequalities with division

I. Mixed operations
1 Complete the addition, subtraction, multiplication or division sentence
2 Add, subtract, multiply and divide
3 Addition, subtraction, multiplication and division word problems
4 Estimate sums, differences, products and quotients: word problems
5 Word problems with extra or missing information
6 Solve word problems using guess-and-check
7 Multi-step word problems involving subtraction
8 Multi-step word problems with strip diagrams
9 Use strip diagrams to represent and solve multi-step word problems
10 Multi-step word problems
11 Multi-step word problems involving remainders
12 Multi-step word problems: identify reasonable answers
13 Write numerical expressions: one operation
14 Choose numbers with a particular sum, difference, product or quotient
15 Mentally add and subtract numbers ending in zeroes
16 Inequalities involving addition, subtraction, multiplication and division
J. Variable expressions
1 Write variable expressions
2 Write variable expressions: word problems
3 Evaluate variable expressions
4 Write variable equations to represent word problems
5 Solve variable equations: addition and subtraction
6 Solve variable equations: multiplication and division
7 Solve variable equations
K. Logical reasoning
1 Place value word problems
2 Find two numbers based on sum and difference
3 Find two numbers based on sum, difference, product and quotient
4 Find the order
5 Sort shapes into a Venn diagram
6 Use Venn diagrams to solve problems
L. Patterns and sequences
1 Find the next shape in a repeating pattern
2 Complete a repeating pattern
3 Make a repeating pattern
4 Find the next row in a growing pattern of shapes
5 Use a rule to complete a number pattern
6 What is true about the given number pattern?
7 What is true about the number pattern made by the rule?
8 Compare number patterns
9 Complete an increasing number pattern
10 Complete a geometric number pattern
11 Number patterns: word problems
12 Number patterns: mixed review
13 Input/output tables with addition, subtraction, multiplication and division
14 Shape patterns
M. Coordinate plane
1 Objects on a coordinate plane
2 Graph points on a coordinate plane
3 Follow directions on a coordinate plane
4 Coordinate planes as maps
N. Data and graphs
2 Interpret pictographs
3 Create pictographs
4 Interpret line graphs
5 Create line graphs
6 Interpret bar graphs
7 Interpret double bar graphs
8 Create bar graphs
9 Interpret line plots
10 Create line plots
11 Interpret frequency charts
12 Create frequency charts
13 Interpret stem-and-leaf plots
14 Create stem-and-leaf plots
15 Circle graphs
16 Choose the best type of graph
O. Money
1 Count coins and bills up to \$100
2 Compare money amounts
3 Put money amounts in order
4 Round money amounts
5 Add and subtract money amounts
6 Add and subtract money amounts: word problems
7 Making change
8 Find the change, price or amount paid
9 Price lists
P. Units of measurement
2 Reasonable temperature
3 Measure using a centimetre ruler
4 Which unit of length is appropriate?
5 Compare units of length
6 Convert units of length
7 Which unit of mass is appropriate?
8 Compare units of mass
9 Convert units of mass
10 Which unit of volume is appropriate?
11 Compare units of volume
12 Convert units of volume
Q. Time
1 Match clocks and times
2 Match analogue and digital clocks
3 Read clocks and write times
4 Convert time units
5 Add and subtract mixed time units
6 Fractions of time units
7 Elapsed time
8 Find start and end times: multi-step word problems
9 Convert between 12-hour and 24-hour time
10 Time zones – 12-hour time
11 Time zones – 24-hour time
12 Transportation schedules – 12-hour time
13 Transportation schedules – 24-hour time
14 Time patterns
R. Geometry
1 Which two-dimensional figure is being described?
2 Identify three-dimensional figures
3 Count vertices, edges and faces
4 Identify faces of three-dimensional figures
5 Which three-dimensional figure is being described?
6 Nets of three-dimensional figures
7 Is it a polygon?
8 Number of sides in polygons
9 Regular and irregular polygons
10 Lines, line segments and rays
11 Parallel, perpendicular and intersecting lines
12 Acute, right, obtuse and straight angles
13 Angles as fractions of a circle
14 Angles of 90, 180, 270 and 360 degrees
15 Types of triangles
17 Identify parallelograms
18 Identify trapezoids
19 Identify rectangles
20 Identify rhombuses
22 Pick all the names for a quadrilateral
24 Identify congruent figures
25 Reflection, rotation and translation
26 Identify lines of symmetry
27 Draw lines of symmetry
28 Count lines of symmetry
29 Rotational symmetry
S. Geometric measurement
1 Perimeter
2 Perimeter of figures on grids
3 Perimeter: find the missing side lengths
4 Find the area of figures made of unit squares
5 Select figures with a given area
6 Select two figures with the same area
7 Tile a rectangle and find the area
8 Multiply to find the area of a rectangle made of unit squares
9 Create figures with a given area
10 Create rectangles with a given area
11 Find the area or missing side length of a rectangle
12 Find the areas of complex figures by dividing them into rectangles
13 Find the areas of complex figures
14 Area and perimeter: word problems
15 Rectangles: relationship between perimeter and area word problems
16 Volume
17 Surface area

T. Understand fractions
1 Identify halves, thirds and fourths
2 Make halves, thirds and fourths
3 Make sixths and eighths
4 Make halves, thirds, fourths, sixths and eighths
5 Understand fractions: fraction bars
6 Understand fractions: area models
7 Show fractions: fraction bars
8 Show fractions: area models
9 Match fractions to models: halves, thirds and fourths
10 Match unit fractions to models
11 Match fractions to models
12 Fractions of number lines: unit fractions
13 Fractions of number lines: halves, fourths and eighths
14 Fractions of number lines
15 Identify unit fractions on number lines
16 Identify fractions on number lines
17 Graph unit fractions on number lines
18 Graph fractions on number lines
19 Graph smaller or larger fractions on number lines
20 Unit fractions: modelling word problems
21 Unit fractions: word problems
22 Fractions of a whole: modelling word problems
23 Fractions of a whole: word problems
24 Fractions of a group: word problems
25 Decompose fractions into unit fractions using models
26 Decompose fractions into unit fractions
U. Equivalent fractions
1 Find equivalent fractions using area models
2 Identify equivalent fractions on number lines
3 Find equivalent fractions using number lines
4 Graph equivalent fractions on number lines
5 Equivalent fractions
6 Fractions with denominators of 10 and 100
7 Patterns of equivalent fractions
8 Write fractions in lowest terms
V. Compare and order fractions
1 Compare fractions with like denominators using models
2 Compare fractions with like numerators or denominators using models
3 Compare fractions using models
4 Graph and compare fractions with like denominators on number lines
5 Graph and compare fractions with like numerators or denominators on number lines
6 Compare fractions using ½ as a benchmark
7 Compare fractions using ½ as a benchmark: find the missing numerator
8 Compare fractions with like denominators
9 Compare fractions with like numerators or denominators
10 Compare fractions
11 Compare fractions with like denominators in recipes
12 Order fractions with like denominators
13 Order fractions with like numerators or denominators
14 Order fractions
15 Find smaller or larger fractions
W. Decimals up to tenths
1 Model decimals and fractions: up to tenths
2 Understanding decimals expressed in words: up to tenths
3 Place values in decimal numbers: up to tenths
4 Graph decimals on number lines: up to tenths
5 Decimal number lines: up to tenths
6 Graph fractions as decimals on number lines: up to tenths
7 Convert fractions to decimals: up to tenths
8 Convert decimals to fractions: up to tenths
9 Convert decimals between standard and expanded form using fractions: up to tenths
10 Compare decimals on number lines: up to tenths
11 Compare decimal numbers: up to tenths
12 Put decimal numbers in order: up to tenths
13 Compare decimals and fractions on number lines: up to tenths
14 Compare decimals and fractions: up to tenths
15 Number sequences involving decimals: up to tenths
X. Decimals up to hundredths
1 What decimal number is illustrated?
2 Model decimals and fractions: up to hundredths
3 Understanding decimals expressed in words: up to hundredths
4 Place values in decimal numbers: up to hundredths
5 One-tenth or one-hundredth more or less
6 Equivalent decimals: up to hundredths
7 Graph decimals on number lines: up to hundredths
8 Decimal number lines: up to hundredths
9 Graph fractions as decimals on number lines: up to hundredths
10 Convert fractions to decimals: denominators of 10 and 100
11 Convert fractions to decimals: up to hundredths
12 Convert decimals to fractions: up to hundredths
13 Convert decimals between standard and expanded form using fractions: up to hundredths
14 Round decimals: up to hundredths
15 Compare decimals using models: up to hundredths
16 Compare decimals on number lines: up to hundredths
17 Compare decimal numbers: up to hundredths
18 Put decimal numbers up to hundredths in order I
19 Put decimal numbers up to hundredths in order II
20 Compare decimals and fractions on number lines: up to hundredths
21 Compare decimals and fractions: up to hundredths
22 Number sequences involving decimals: up to hundredths
Y. Add and subtract decimals up to tenths
1 Add decimal numbers: up to tenths
2 Subtract decimal numbers: up to tenths
3 Add and subtract decimals up to tenths: word problems
4 Choose decimals with a particular sum or difference: up to tenths
5 Add three or more decimals: up to tenths
6 Add three or more decimals up to tenths: word problems
7 Complete the decimal addition or subtraction sentence: up to tenths
8 Inequalities with decimal addition and subtraction: up to tenths
9 Estimate sums and differences of decimals: up to tenths
10 Solve decimal problems using diagrams: up to tenths
Z. Add and subtract decimals up to hundredths
1 Add decimal numbers: up to hundredths
2 Subtract decimal numbers: up to hundredths
3 Add and subtract decimals up to hundredths: word problems
4 Choose decimals with a particular sum or difference: up to hundredths
5 Add three or more decimals: up to hundredths
6 Add three or more decimals up to hundredths: word problems
7 Complete the addition or subtraction sentence: up to hundredths
8 Inequalities with addition and subtraction: up to hundredths
9 Estimate sums and differences of decimals: up to hundredths
AA. Probability and statistics
1 Certain, probable, unlikely and impossible
2 Understanding probability
3 Find the probability
4 Make predictions
5 Find the mode
6 Find the mean
7 Find the median
8 Interpret line plots to find the mode
9 Interpret line plots to find the mean
10 Interpret line plots to find the median
11 Interpret charts to find mean and mode

## Pricing?

In addition, online Bangla Learning courses can be more affordable than offline options. You won’t have to pay for transportation or materials, and many courses offer discounts if you purchase multiple sessions upfront. It makes online Bangla learning an excellent option for budget-minded learners. One of the best benefits of online Bangla learning is its convenience and flexibility. You can study whenever and wherever is most convenient.
Starter
\$55US/Month
• Single Student
• Class size: One on One
• Class duration: 1 hour
• 1 Lesson per week
• Visual Interactive Learning
• Flexible and Personalized Learning
Standard
\$85US/Month
• Siblings Offer
• Class size: 2 students
• Class duration: 1 hour
• 1 Lessons per week
• Visual Interactive Learning
• Flexible and Personalized Learning
\$95US/Month
• Single Student
• Class size: One on One
• Class duration: 1 hour
• 2 Lessons per week
• Visual Interactive Learning
• Flexible and Personalized Learning