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3rd grade
Subtraction Strategies
Common Core
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Three-Digit Subtraction: Train Edition
Three-Digit Subtraction: Train Edition
Game
Three-Digit Subtraction: Train Edition
Choo-choo! Kids use a number line to solve three-digit subtraction problems in this fun-filled train game.
3rd grade
Math
Game
Mixed Problems Requiring Estimation
Mixed Problems Requiring Estimation
Worksheet
Mixed Problems Requiring Estimation
This worksheet will challenge your third graders to round numbers and then them. Students will answer multiple choice questions by rounding up or rounding down numbers in the problems provided.
3rd grade
Math
Worksheet
Rounding: Magical Math!
Rounding: Magical Math!
Worksheet
Rounding: Magical Math!
On this third grade math worksheet, kids round to estimate the difference between two numbers, a useful strategy for checking the results of calculations.
3rd grade
Math
Worksheet
Three-Digit Subtraction on a Number Line
Three-Digit Subtraction on a Number Line
Exercise
Three-Digit Subtraction on a Number Line
Take the difficulty out of three digit subtraction with this exercise that shows students how to reach the correct answer using a number line.
3rd grade
Math
Exercise
Make a Big Difference
Make a Big Difference
Lesson Plan
Make a Big Difference
Master rounding and estimating skills by having students challenge their classmates in the Make a Big Difference game. Roll three dice two times to arrive at two three-digit numbers. The largest difference wins!
3rd grade
Math
Lesson Plan
Using Estimation: Knowing What’s Too Big and Too Small
Using Estimation: Knowing What’s Too Big and Too Small
Worksheet
Using Estimation: Knowing What’s Too Big and Too Small
Adding and subtracting large numbers can sometimes be difficult. Estimating is an easy way to figure out if your answer is close, or if you need to try again.
3rd grade
Math
Worksheet
Estimating to Subtract
Estimating to Subtract
Exercise
Estimating to Subtract
For students learning how to estimate during subtraction, this exercise will make matters much simpler.
3rd grade
Math
Exercise
Subtract One Strategy: Subtracting with Zeros
Subtract One Strategy: Subtracting with Zeros
Worksheet
Subtract One Strategy: Subtracting with Zeros
Subtracting with multiple zeros in the “top number” doesn’t need to be a seemingly endless cycle of borrowing. The Subtract One strategy simplifies the task with two easy steps.
3rd grade
Math
Worksheet