The smart way to improve grades

Comprehensive & curriculum aligned

Affordable pricing from £10/month

Know Your Numbers: How to Halve

In this worksheet, students halve numbers to work out what goes in to and what comes out of the Halving Machine.

'Know Your Numbers: How to Halve' worksheet

Key stage:  KS 1

Curriculum topic:  Number: Multiplication and Division

Curriculum subtopic:  Solve Multiplication/Division Problems

Difficulty level:  

down

Worksheet Overview

QUESTION 1 of 10

This machine halves numbers. That means, it divides them by 2.

 

Here 12 ÷ 2 = 6. So when 12 goes in, 6 comes out.

Also 6 x 2 = 12. So when 6 comes out, 12 must have gone in.

10 goes into the machine. What number comes out?

 

6 goes into the machine. What number comes out?

 

8 goes into the machine. What number comes out?

 

20 goes into the machine. What number comes out?

 

40 goes into the machine. What number comes out?

 

10 comes out of the machine. What went in?

 

1 comes out of the machine. What went in?

 

11 comes out of the machine. What went in? 

8 comes out of the machine. What went in?

 

25 comes out of the machine. What went in?

 

  • Question 1

10 goes into the machine. What number comes out?

 

CORRECT ANSWER
5
EDDIE SAYS
10 ÷ 2 = 5
5 is half of 10.
  • Question 2

6 goes into the machine. What number comes out?

 

CORRECT ANSWER
3
EDDIE SAYS
6 ÷ 2 = 3
3 is half of 6.
  • Question 3

8 goes into the machine. What number comes out?

 

CORRECT ANSWER
4
EDDIE SAYS
8 ÷ 2 = 4
4 is half of 8.
  • Question 4

20 goes into the machine. What number comes out?

 

CORRECT ANSWER
10
EDDIE SAYS
20 ÷ 2 = 10
10 is half of 20.
  • Question 5

40 goes into the machine. What number comes out?

 

CORRECT ANSWER
20
EDDIE SAYS
40 ÷ 2 = 20
20 is half of 40.
  • Question 6

10 comes out of the machine. What went in?

 

CORRECT ANSWER
20
EDDIE SAYS
20 ÷ 2 = 10
10 is half of 20.
So if 10 comes out, 20 went in.
  • Question 7

1 comes out of the machine. What went in?

 

CORRECT ANSWER
2
EDDIE SAYS
Half of 2 is 1.
So if 1 comes out, 2 went in.
  • Question 8

11 comes out of the machine. What went in? 

CORRECT ANSWER
22
EDDIE SAYS
22 ÷ 2 = 11
11 is half of 22.
So if 11 comes out, 22 went in.
  • Question 9

8 comes out of the machine. What went in?

 

CORRECT ANSWER
16
EDDIE SAYS
16 ÷ 2 = 8
8 is half of 16.
So if 8 comes out, 16 went in.
  • Question 10

25 comes out of the machine. What went in?

 

CORRECT ANSWER
50
EDDIE SAYS
50 ÷ 2 = 25
25 is half of 50.
So if 25 comes out, 50 went in.
---- 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.

Start your £1 trial

Start your trial for £1