The smart way to improve grades

Comprehensive & curriculum aligned

Affordable pricing from £10/month

Multiply Decimals and Estimate the Answer

In this worksheet, students round decimals to the nearest whole numbers and then estimate the answer to a multiplication.

'Multiply Decimals and Estimate the Answer' worksheet

Key stage:  KS 2

Curriculum topic:   Maths and Numerical Reasoning

Curriculum subtopic:   Decimals

Difficulty level:  

Worksheet Overview

QUESTION 1 of 10

In this worksheet children learn to round decimal numbers to the nearest whole numbers in order to estimate the answer to a multiplication.

For example -

Question -

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers

2.25x1.41

A
X
B
=
C

Answer -

2.25x1.41
2
x
1
=
2

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

7.43X5.1
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 7.43 to the nearest whole number and B will be 5.1...

Column A

Column B

A
35
B
7
C
5

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

8.45X6.28
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 8.45 to the nearest whole number and B will be 6.28...

Column A

Column B

A
6
B
48
C
8

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

9.93X3.19
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 9.93 to the nearest whole number and B will be 3.19...

Column A

Column B

A
10
B
3
C
30

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers..

5.83X2.75
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 5.83 to the nearest whole number and B will be 2.75...

Column A

Column B

A
18
B
6
C
3

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

7.15X1.2
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 7.15 to the nearest whole number and B will be 1.2...

Column A

Column B

A
7
B
7
C
1

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

3.27X1.12
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 3.27 to the nearest whole number and B will be 1.12...

Column A

Column B

A
3
B
1
C
3

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

9.08X2.47
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 9.08 to the nearest whole number and B will be 2.47...

Column A

Column B

A
2
B
9
C
18

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

1.8X1.71
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 1.8 to the nearest whole number and B will be 1.71...

Column A

Column B

A
4
B
2
C
2

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

5.33X4.68
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 5.33 to the nearest whole number and B will be 4.68...

Column A

Column B

A
25
B
5
C
5

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

7.17X2.3
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 7.17 to the nearest whole number and B will be 2.3...

Column A

Column B

A
2
B
7
C
14
  • Question 1

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

7.43X5.1
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 7.43 to the nearest whole number and B will be 5.1...

CORRECT ANSWER

Column A

Column B

A
7
B
5
C
35
  • Question 2

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

8.45X6.28
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 8.45 to the nearest whole number and B will be 6.28...

CORRECT ANSWER

Column A

Column B

A
8
B
6
C
48
  • Question 3

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

9.93X3.19
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 9.93 to the nearest whole number and B will be 3.19...

CORRECT ANSWER

Column A

Column B

A
10
B
3
C
30
  • Question 4

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers..

5.83X2.75
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 5.83 to the nearest whole number and B will be 2.75...

CORRECT ANSWER

Column A

Column B

A
6
B
3
C
18
  • Question 5

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

7.15X1.2
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 7.15 to the nearest whole number and B will be 1.2...

CORRECT ANSWER

Column A

Column B

A
7
B
1
C
7
  • Question 6

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

3.27X1.12
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 3.27 to the nearest whole number and B will be 1.12...

CORRECT ANSWER

Column A

Column B

A
3
B
1
C
3
  • Question 7

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

9.08X2.47
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 9.08 to the nearest whole number and B will be 2.47...

CORRECT ANSWER

Column A

Column B

A
9
B
2
C
18
  • Question 8

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

1.8X1.71
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 1.8 to the nearest whole number and B will be 1.71...

CORRECT ANSWER

Column A

Column B

A
2
B
2
C
4
  • Question 9

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

5.33X4.68
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 5.33 to the nearest whole number and B will be 4.68...

CORRECT ANSWER

Column A

Column B

A
5
B
5
C
25
  • Question 10

Estimate the answer to the multiplication by first rounding both decimals to the nearest whole numbers.

7.17X2.3
A
X
B
=
C

Remember to put your answers in the same sequence as the question.

For example, will be 7.17 to the nearest whole number and B will be 2.3...

CORRECT ANSWER

Column A

Column B

A
7
B
2
C
14
---- OR ----

Sign up for a £1 trial so you can track and measure your child's progress on this activity.

What is EdPlace?

We're your National Curriculum aligned online education content provider helping each child succeed in English, maths and science from year 1 to GCSE. With an EdPlace account you’ll be able to track and measure progress, helping each child achieve their best. We build confidence and attainment by personalising each child’s learning at a level that suits them.

Get started
laptop

Start your £1 trial today.
Subscribe from £10/month.