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Addition and Subtracting: Checking Subtractions (2)

In this worksheet, students must use additions to check subtractions. Four-digit numbers are used.

'Addition and Subtracting: Checking Subtractions (2)' worksheet

Key stage:  KS 2

Curriculum topic:  Number: Addition and Subtraction

Curriculum subtopic:  Estimate Calculations and Check Answers

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

From any addition fact such as

1462 + 3763 = 5225

 

we can work out two subtraction facts.

 

Here we get

5225 - 1462 = 3763

and

5225 - 3763 = 1462

 

This is handy because we can use additions to check subtractions.

 

 

Example 1

Caleb says that

5681 - 1724 =
3957

 

Use addition to check if he is right or wrong.

 

Answer

Add:

 

So 3957 + 1724 = 5681

Caleb is right.

 

 

Example 2

Dahlia says that

6286 - 2457 =
4829

 

Use addition to check if she is right or wrong.

 

Answer

Add:

 

So 4829 + 2457 = 7286 not 6286

Dahlia is wrong.

Anna says that

8849 - 5437 =
3412

 

Use addition to check if she is right or wrong.

right

wrong

Ben says that

6654 - 4439 =
2215

 

Use addition to check if he is right or wrong.

right

wrong

Caroline says that

9790 - 4126 =
5664

 

Use addition to check if she is right or wrong.

right

wrong

Derek says that

3811 - 1195 =
2624

 

Use addition to check if he is right or wrong.

right

wrong

Emma says that

8735 - 6356 =
2381

 

Use addition to check if she is right or wrong.

right

wrong

Fatima says that

8888 - 5396 =
3492

 

Use addition to check if she is right or wrong.

right

wrong

Gill says that

5280 - 2827 =
2457

 

Use addition to check if she is right or wrong.

right

wrong

Henry says that

9641 - 4894 =
4253

 

Use addition to check if he is right or wrong.

right

wrong

Indy says that

8110 - 4885 =
3225

 

Use addition to check if she is right or wrong.

right

wrong

Jamir says that

5555 - 3587 =
1968

 

Use addition to check if he is right or wrong.

right

wrong

  • Question 1

Anna says that

8849 - 5437 =
3412

 

Use addition to check if she is right or wrong.

CORRECT ANSWER
right
EDDIE SAYS

  • Question 2

Ben says that

6654 - 4439 =
2215

 

Use addition to check if he is right or wrong.

CORRECT ANSWER
right
EDDIE SAYS

  • Question 3

Caroline says that

9790 - 4126 =
5664

 

Use addition to check if she is right or wrong.

CORRECT ANSWER
right
EDDIE SAYS

  • Question 4

Derek says that

3811 - 1195 =
2624

 

Use addition to check if he is right or wrong.

CORRECT ANSWER
wrong
EDDIE SAYS

  • Question 5

Emma says that

8735 - 6356 =
2381

 

Use addition to check if she is right or wrong.

CORRECT ANSWER
wrong
EDDIE SAYS

  • Question 6

Fatima says that

8888 - 5396 =
3492

 

Use addition to check if she is right or wrong.

CORRECT ANSWER
right
EDDIE SAYS

  • Question 7

Gill says that

5280 - 2827 =
2457

 

Use addition to check if she is right or wrong.

CORRECT ANSWER
wrong
EDDIE SAYS

  • Question 8

Henry says that

9641 - 4894 =
4253

 

Use addition to check if he is right or wrong.

CORRECT ANSWER
wrong
EDDIE SAYS

  • Question 9

Indy says that

8110 - 4885 =
3225

 

Use addition to check if she is right or wrong.

CORRECT ANSWER
right
EDDIE SAYS

  • Question 10

Jamir says that

5555 - 3587 =
1968

 

Use addition to check if he is right or wrong.

CORRECT ANSWER
right
EDDIE SAYS

---- OR ----

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