Review Subtraction
If you get stuck, click here and find the highlighted lesson.
 Subtract Objects I
 Subtract Objects II
 Subtract Numbers I
 Subtract Numbers II
 Subtract Using Words
 Subtraction Facts for 0, 1, and 2
 Subtraction Facts for 3 and 4
 Subtraction Facts for 5 and 6
 Subtraction Facts for 7 and 8
 Subtraction Facts for 9 and 10
 All Subtraction Facts to 10
 Subtraction Sentences
 Subtracting Tens
 Subtract TwoDigits Numbers Without Regrouping
 2Digit Subtraction Sentences
 Subtracting Hundreds
 Subtraction Using Estimation
 Subtract With Mental Math
 Subtract With Pencil and Paper
 Subtract With a Calculator
 Subtraction of 3Digit Numbers
 3Digit Subtraction Sentences
 Subtract 4Digit Numbers
 4Digit Subtraction Sentences
 Subtract 5Digit Numbers
 5Digit Subtraction Sentences
 Subtract 6Digit Numbers
 6Digit Subtraction Sentences
 Subtract 7Digit Numbers
 Time Difference  Hours
 Time Difference  Half Hours
 Time Difference  Quarter Hours
 Time Difference  5 Minutes
 Time Difference  Minutes
 Subtract Weeks and Days
 Subtract Days and Hours
 Subtract Minutes and Hours
 Subtract Minutes and Seconds
 The Four Basic Operations
 Subtraction Using Estimation
 FrontEnd Estimation of Differences
 Subtract With Mental Math
 Subtract With Pencil and Paper
 Subtract With a Calculator
 Estimate Difference of Decimals
 Subtraction of Decimal Tenths
 Subtracting Decimals
 Subtraction of Money
 Subtracting Pounds and Ounces
 Subtracting Feet and Inches
 Integer Subtraction
 Inverse Relationship of Add and Subtract
 Inverse Relationship of Subtract and Add
 Relationship of Subtraction to Division
 Subtract Like Fractions
 Subtract Mixed Numbers
 Subtracting Fractions
 Integer Subtraction
 OneDigit Integer Subtraction Equations
 TwoDigit Integer Subtraction Equations
 ThreeDigit Integer Subtraction Equations
 FourDigit Integer Subtraction Equations
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(There are 62 lessons in this review.)
Subtract Objects I: Practice
How Many Boxes?
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Subtract Objects II: Practice
How Many Boxes?
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Subtract Numbers I: Practice
What is the difference of the two Numbers?
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Subtract Numbers II: Practice
What is the difference of the two Numbers?
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Subtract Using Words: Practice
What is the difference of the two numbers?
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minus  is 
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Subtraction Facts with 0, 1, 2: Practice
What is the difference between the two numbers?
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Subtraction Facts with 3 and 4: Practice
What is the difference between the two numbers?
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Subtraction Facts with 5 and 6: Practice
What is the difference between the two numbers?
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Subtraction Facts with 7 and 8: Practice
What is the difference between the two numbers?
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Subtraction Facts with 9 and 10: Practice
What is the difference between the two numbers?
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Subtraction Facts Up To 10: Practice
What is the difference between the two numbers?
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Subtraction Sentences: Practice
What number would complete the equation?
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Subtracting Tens: Practice
What is the difference between the two numbers?
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Subtracting TwoDigit Numbers: Practice
What is the difference between the two numbers?
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Subtraction Sentences: Practice
What number would complete the equation?
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Subtracting Hundreds: Practice
What is the difference between the two numbers?
00:00
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Estimating with Rounding: Practice
Estimate the difference by rounding the two numbers.
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Subtract with Mental Math: Practice
What is the difference between the numbers?
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  = 
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Subtract with Paper and Pencil: Practice
What is the difference?
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  = 
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Subtract with a Calculator: Practice
What is the difference?
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  =  
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Subtract with Paper and Pencil: Practice
What is the difference?
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Subtraction Sentences: Practice
What number would complete the equation?
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Subtract with Paper and Pencil: Practice
What is the difference?
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  = 
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Subtraction Sentences: Practice
What number would complete the equation?
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Subtract: Practice
What is the difference?
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Subtraction Sentences: Practice
What number would complete the equation?
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Subtract: Practice
What is the difference?
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Subtraction Sentences: Practice
What number would complete the equation?
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Subtract: Practice
What is the difference?
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Time Difference in Hours: Practice
The right clock is later than the left clock. How many hours later?
00:00
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Time Difference in Half Hours: Practice
The right clock is later than the left clock. How much later?
00:00
Hours:
Minutes:
0 hours and 0 minutes
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Time Difference in Quarter Hours: Practice
The right clock is later than the left clock. How much later?
00:00
Hours:
Minutes:
0 hours and 0 minutes
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Time Difference in 5Minute Intervals: Practice
The right clock is later than the left clock. How much later?
00:00
Hours:
Minutes:
0 hours and 0 minutes
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Time Difference in Minutes: Practice
The right clock is later than the left clock. How much later?
00:00
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Subtract Weeks and Days: Practice
00:00
weeks and
days
minus
weeks and
days
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Subtract Days and Hours: Practice
00:00
days and
hours
minus
days and
hours
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Subtract Hours and Minutes: Practice
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hours and
minutes
minus
hours and
minutes
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Subtract Minutes and Seconds: Practice
00:00
minutes and
seconds
minus
minutes and
seconds
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Four Basic Operations: Practice
What is the answer?
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= 
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Estimating with Rounding: Practice
Estimate the difference by rounding the two numbers.
00:00
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Subtract with FrontEnd Estimation: Practice
Estimate the difference using FrontEnd Estimation
00:00
 is about
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Subtract with Mental Math: Practice
What is the difference between the numbers?
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Subtract with Paper and Pencil: Practice
What is the difference?
00:00
  = 
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Subtract with a Calculator: Practice
What is the difference?
00:00
  =  
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Estimating with Rounding: Practice
Estimate the difference by rounding the two numbers.
00:00
  = 
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Subtracting Tenths: Practice
What is the difference?
00:00
 =
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Subtract Decimals: Practice
What is the difference?
00:00
  = 
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Subtract Money: Practice
What is the difference between the two amounts?
00:00
$    $  = 
$ 
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Add Pounds and Ounces: Practice
00:00
pounds and
ounces
minus
pounds and
ounces
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Add Feet and Inches: Practice
00:00
feet and
inches
minus
feet and
inches
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Subtract Integers: Practice
What is the difference of the two integers?
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Relationship Between Add and Subtract: Practice
What number should replace X?
00:00
If X + X = X,
then X  X = X
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Relationship Between Subtract and Add: Practice
What number should replace X?
00:00
If X  X = X,
then X + X = X
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Dividing by Repeated Subtraction: Practice
Write the corresponding division expression
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Subtract Like Fractions: Practice
Add. (Do not simplify.)
00:00

 

= 

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Subract Mixed Numbers: Practice
Subtract the mixed numbers.
00:00
Do not simplify your answer.

= 

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Subtract Fractions: Practice
Subtract the fractions.
00:00
State the answer as a simplified fraction, and not a mixed number.

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Subtract Integers: Practice
What is the difference of the two integers?
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Integer Subtraction Sentences: Practice
What number would complete the equation?
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Integer Subtraction Sentences: Practice
What number would complete the equation?
00:00
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Integer Subtraction Sentences: Practice
What number would complete the equation?
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Integer Subtraction Sentences: Practice
What number would complete the equation?
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Explore
Math Lessons by Grade
Math Topics
 Addition
 Algebra
 Comparing
 Counting
 Decimals
 Division
 Equations
 Estimation and Mental Math
 Exponents
 Fractions
 Geometry
 Measurement
 Money
 Multiplication
 Naming Numbers
 Patterns
 Percents and Ratios
 Place Value
 Properties
 Statistics
 Subtraction