Checking and securing understanding of negative numbers in context | Maths

Starter quiz

Numbers which are greater than zero are called __________ numbers.

decimal

fraction

integer

negative

positive ✓
Select all the correct statements.

6 < 7 ✓

6 > 7

3.2 > 2.4 ✓

3.2 < 2.4
Alex thinks of a number. It is 4 away from 10. Select the numbers which Alex could be thinking of.

4

6 ✓

10

14 ✓

18
Laura borrows £27 from her mum. She pays her mum back £15. How much does Laura still owe her mum? £______

'12' ✓
15 is halfway between two numbers. What could the two numbers be?

10 and 20 ✓

8 and 23

12 and 19

0 and 30 ✓
Complete the statement. ______ is halfway between 8 and 18.

'13' ✓

Select all the integers.

-3 ✓

-3.3

0 ✓

0.33

33 ✓
Select all of the correct statements.

-3 < -5

-5 > - 3

-3 > -5 ✓

-4 > -1

-4 < -1 ✓
Starting with the lowest temperature, put these temperatures in order from coldest to warmest.

1

⇔

-5 $^\circ$ C

2

⇔

-2 $^\circ$ C

3

⇔

-1 $^\circ$ C

4

⇔

0 $^\circ$ C

5

⇔

2 $^\circ$ C

6

⇔

7 $^\circ$ C
The temperature in Quebec is -12 $^\circ$ C. It is 5 $^\circ$ C warmer in Manchester. What is the temperature in Manchester?

-17 $^\circ$ C

-7 $^\circ$ C ✓

-5 $^\circ$ C

5 $^\circ$ C

7 $^\circ$ C
Andeep has a balance of £2.50 at the school canteen. He buys a sandwich for £1.95, some grapes for 85p and some fruit juice for £1.05. What is Andeep's new balance?

-£3.85

-£1.35 ✓

£1.35

£3.85
A submarine is 250 metres below sea level. The submarine rises 120 metres and then dives down 330 metres. The submarine is now ______ metres below sea level.

'460' ✓

Loading worksheet ...

Loading presentation ...

That the difference between 3 & -9 is 6 and not 12.

In the early stages of the negative numbers work the use of number lines to highlight misconceptions can be very powerful.

Integer - An integer is any positive or negative whole number or zero. E.g. -2, 0, 153 are all examples of integers.