Subtracting with Regrouping and word problems

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is when you rearrange numbers to make it easier to subtract, especially when the top number is smaller than the bottom number in a column.

Front

What does it mean to subtract?

Back

Subtracting means taking one number away from another number.

Front

How do you solve 542 - 352?

Back

First, regroup if necessary. Then subtract: 542 - 352 = 190.

Front

If Dores has 381 stickers and gives away 255, how do you find out how many she has left?

Back

Subtract the number of stickers given away from the total: 381 - 255 = 126.

Front

What is the difference between two numbers?

Back

The difference is the result of subtracting one number from another.

Front

How do you find out how many more red cars Alexander has than blue cars?

Back

Subtract the number of blue cars from the number of red cars: 342 - 224 = 118.

Front

If Emma Mae counted 74 sheep and 58 pigs, how do you find out how many more sheep there are?

Back

Subtract the number of pigs from the number of sheep: 74 - 58 = 16.

Front

What is the result of 754 - 728?

Back

754 - 728 = 26.

Front

What is a word problem in math?

Back

A word problem is a math question written in words that requires you to figure out what math operation to use.

Front

How do you approach solving a word problem?

Back

Read the problem carefully, identify the numbers and what is being asked, then decide whether to add or subtract.