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Fourth grade
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Subtraction: Estimate differences: word problems
Elias and Layla share a cell phone plan. They used 390 text messages altogether. 103 text messages were used by Elias. About how many text messages were used by Layla? Choose the better estimate.
300
3,000
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Submit & finish
Fourth-grade skills
Show expanded view
Number sense
Place values
Convert between place values
Word names for numbers
Roman numerals
Prime and composite numbers
Rounding
Even and odd
Inequalities with number lines
Compare numbers up to billions
Addition
Add numbers up to millions
Add numbers up to millions: word problems
Fill in the missing digits
Properties of addition
Add 3 or more numbers up to millions
Addition patterns over increasing place values
Choose numbers with a particular sum
Estimate sums
Estimate sums: word problems
Subtraction
Subtract numbers up to millions
Subtract numbers up to millions: word problems
Fill in the missing digits
Subtraction patterns over increasing place values
Choose numbers with a particular difference
Estimate differences
Estimate differences: word problems
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Multiplication
Multiplication facts to 12
Choose the multiples of a given number up to 12
Multiply 1-digit numbers by larger numbers
Multiplication patterns over increasing place values
Properties of multiplication
Estimate products
Estimate products: word problems
Multiply a 2-digit number by a 2-digit number: complete the missing steps
Multiply a 2-digit number by a 2-digit number
Multiply a 2-digit number by a 2-digit number: word problems
Choose numbers with a particular product
Multiply a 2-digit number by a larger number: complete the missing steps
Multiply a 2-digit number by a larger number
Multiply a 2-digit number by a larger number: word problems
Multiply numbers ending in zeroes
Multiply numbers ending in zeroes: word problems
Multiply 3 numbers up to 2 digits each
Inequalities with multiplication
Division
Division facts to 12
Division facts to 12: word problems
Properties of division
Divide larger numbers, one-digit divisors
Divide larger numbers, one-digit divisors: word problems
Divide by 1-digit numbers: complete the table
Divide by 1-digit numbers: interpret remainders
Choose numbers with a particular quotient
Divide numbers ending in zeroes, one-digit divisors
Estimate quotients, one-digit divisors
Divisibility rules
Division patterns over increasing place values
Divide numbers ending in zeroes, multi-digit divisors
Divide numbers ending in zeroes, multi-digit divisors: word problems
Divide 2-digit numbers by multiples of 10
Divide by 2-digit numbers
Divide by 2-digit numbers: word problems
Divide larger numbers by 2-digit numbers
Divide larger numbers by 2-digit numbers: word problems
Inequalities with division
Estimate quotients
Mixed operations
Multi-step word problems
Estimate sums, differences, products, and quotients: word problems
Word problems with extra or missing information
Solve word problems using guess-and-check
Choose numbers with a particular sum, difference, product, or quotient
Mentally add and subtract numbers ending in zeroes
Inequalities involving addition, subtraction, multiplication, and division
Algebra
Write variable expressions
Write variable expressions: word problems
Evaluate variable expressions
Simplify expressions using order of operations and parentheses
Write variable equations to represent word problems
Solve variable equations
Functions
Input/output tables with addition, subtraction, multiplication, and division
Function tables
Write linear functions
Graph linear functions
Coordinate graphs
Coordinate graphs review
Relative coordinates
Coordinate graphs as maps
Data, charts, and graphs
Read a table
Line graphs
Bar graphs
Frequency charts
Stem-and-leaf plots
Circle graphs
Choose the best type of graph
Logical reasoning
Guess two numbers based on sum and difference
Guess two numbers based on sum, difference, product, and quotient
Find the order
Patterns
Geometric growth patterns
Increasing growth patterns
Numeric patterns: word problems
Mixed patterns review
Money
Compare money amounts
Round money amounts
Add and subtract money amounts
Add, subtract, multiply, and divide money amounts
Making change
Price lists with addition and subtraction
Price lists with multiplication
Unit prices
Measurement
Compare and convert customary units
Compare and convert metric units
Compare customary units by multiplying
Convert mixed customary units
Add and subtract mixed customary units
Convert between metric and customary units
Time
Convert time units
Add and subtract mixed time units
Fractions of time units
Time zones
Elapsed time
Find start and end times: multi-step word problems
Transportation schedules
Time patterns
Geometry
Identify planar and solid figures
Types of triangles
Open and closed shapes and qualities of polygons
Which 2-dimensional shape is being described?
Which 3-dimensional figure is being described?
Number of sides in polygons
Count and compare sides, edges, faces, and vertices
Similar and congruent
Nets of 3-dimensional figures
Acute, right, obtuse, and straight angles
Angles of 90, 180, 270, and 360 degrees
Measure angles with a protractor
Parts of a circle
Perimeter
Area of squares and rectangles
Area of complex figures (with all right angles)
Volume
Use area and perimeter to determine cost
Rotational symmetry
Lines of symmetry
Parallel, perpendicular, intersecting
Calculate radius, diameter and circumference
Fractions and mixed numbers
Equivalent fractions
Patterns of equivalent fractions
Reduce fractions to simplest form
Fractions review
Compare fractions
Order fractions from least to greatest
Fractions of a number
Fractions of a number: word problems
Mixed number review
Convert between improper fractions and mixed numbers
Add and subtract fractions
Add and subtract fractions with like denominators
Add and subtract fractions with like denominators: word problems
Add 3 or more fractions with like denominators
Add fractions with unlike denominators
Subtract fractions with unlike denominators
Add and subtract fractions with unlike denominators: word problems
Add 3 or more fractions with unlike denominators
Add 3 or more fractions with like and unlike denominators: word problems
Find the missing numerator or denominator in addition and subtraction sentences
Add and subtract mixed numbers with like denominators
Add and subtract mixed numbers with unlike denominators
Add and subtract mixed numbers with like and unlike denominators: word problems
Inequalities with addition and subtraction of fractions
Recipes
Decimals
What decimal number is illustrated?
Understanding decimals expressed in words
Place values in decimal numbers
Equivalent decimals
Convert fractions and mixed numbers to decimals
Convert decimals to fractions and mixed numbers
Compare decimals and fractions
Round decimals
Compare decimal numbers
Put decimal numbers in order
Number sequences involving decimals
Solve decimal problems using diagrams
Add and subtract decimals
Add decimal numbers
Subtract decimal numbers
Add and subtract decimals: word problems
Choose decimals with a particular sum or difference
Add 3 or more decimals
Add 3 or more decimals: word problems
Complete the addition or subtraction sentence
Inequalities with addition and subtraction
Estimate sums and differences of decimals
Probability and statistics
Calculate probability
Make predictions
Mean, median, mode, and range
Interpret charts to find mean, median, mode, and range
Combinations
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