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  1. Maths
  2. Year 5
  3. Place Value
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Round Numbers to the Nearest Ten

In this worksheet, students round numbers to the nearest 10 before multiplying to find an estimated answer.

'Round Numbers to the Nearest Ten' worksheet

Key stage:  KS 2

Curriculum topic:  Number: Addition and Subtraction

Curriculum subtopic:  Use Rounding for Answers/Accuracy

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

In this worksheet you will learn to round numbers to the nearest ten to estimate the answer to a multiplication.

 

Example

Estimate the answer by rounding the numbers to the nearest 10 before multiplying.

 

78 x 43
A
 x 
B
 = 
C


Answer

 

 

78 x 43
80
 x 
40
 = 
3200

 

Remember, to work out 80 x 40, we work out 8 x 4 x 10 x 10 = 32 x 100 = 3200

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

67 x 32
A
 x 
B
 = 
C

 


Column A

Column B

A
70
B
2100
C
30

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

59 x 32
A
 x 
B
 = 
C

 


Column A

Column B

A
30
B
60
C
1800

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

50 x 28
A
 x 
B
 = 
C

 



Column A

Column B

A
1500
B
50
C
30

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

37 x 20
A
 x 
B
 = 
C

 



Column A

Column B

A
20
B
800
C
40

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

73 x 30
A
 x 
B
 = 
C

 


 

Column A

Column B

A
30
B
70
C
2100

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

31 x 28
A
 x 
B
 = 
C

 


 

Column A

Column B

A
30
B
900
C
30

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

43 x 19
A
 x 
B
 = 
C

 


 

Column A

Column B

A
40
B
20
C
800

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

36 x 29
A
 x 
B
 = 
C

 


 

Column A

Column B

A
30
B
40
C
1200

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

97 x 83
A
 x 
B
 = 
C

 


 

Column A

Column B

A
100
B
8000
C
80

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

27 x 12
A
 x 
B
 = 
C

 


 

Column A

Column B

A
300
B
10
C
30
  • ANSWERS
  • Question 1

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

67 x 32
A
 x 
B
 = 
C

 


CORRECT ANSWER

Column A

Column B

A
70
B
30
C
2100
  • ANSWERS
  • Question 2

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

59 x 32
A
 x 
B
 = 
C

 


CORRECT ANSWER

Column A

Column B

A
60
B
30
C
1800
  • ANSWERS
  • Question 3

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

50 x 28
A
 x 
B
 = 
C

 



CORRECT ANSWER

Column A

Column B

A
50
B
30
C
1500
  • ANSWERS
  • Question 4

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

37 x 20
A
 x 
B
 = 
C

 



CORRECT ANSWER

Column A

Column B

A
40
B
20
C
800
  • ANSWERS
  • Question 5

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

73 x 30
A
 x 
B
 = 
C

 


 

CORRECT ANSWER

Column A

Column B

A
70
B
30
C
2100
  • ANSWERS
  • Question 6

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

31 x 28
A
 x 
B
 = 
C

 


 

CORRECT ANSWER

Column A

Column B

A
30
B
30
C
900
  • ANSWERS
  • Question 7

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

43 x 19
A
 x 
B
 = 
C

 


 

CORRECT ANSWER

Column A

Column B

A
40
B
20
C
800
  • ANSWERS
  • Question 8

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

36 x 29
A
 x 
B
 = 
C

 


 

CORRECT ANSWER

Column A

Column B

A
40
B
30
C
1200
  • ANSWERS
  • Question 9

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

97 x 83
A
 x 
B
 = 
C

 


 

CORRECT ANSWER

Column A

Column B

A
100
B
80
C
8000
  • ANSWERS
  • Question 10

Estimate the answer by rounding the numbers to the nearest 10 before multiplying to find C.

27 x 12
A
 x 
B
 = 
C

 


 

CORRECT ANSWER

Column A

Column B

A
30
B
10
C
300
---- OR ----

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