How To Do KS2 Mental Maths Paper SATs Negative Number Questions

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A guide to doing mental maths questions involving negative numbers that you might find in a KS2 Mental Maths Paper. It includes some practice questions

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Negative Numbers 1: Changes In Temperature

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How To Do KS2 Maths SATs Type Questions

(Mental Maths Paper)

In a SATs Mental Maths Paper you might be asked to find out a change in temperature that involves a negative number of degrees:

For example: The temperature was two degrees Celsius. It goes down by seven degrees. Write down the new temperature.

For example: The temperature was two degrees Celsius. It goes down by seven degrees. Write down the new temperature.

To find out the answer, firstly count back 2 degrees to get to zero.

For example: The temperature was two degrees Celsius. It goes down by seven degrees. Write down the new temperature.

To find out the answer, firstly count back 2 degrees to get to zero.

For example: The temperature was two degrees Celsius. It goes down by seven degrees. Write down the new temperature.

To find out the answer, firstly count back 2 degrees to get to zero.

Then count back another 5 degrees to get to - 5°C

For example: The temperature was two degrees Celsius. It goes down by seven degrees. Write down the new temperature.

To find out the answer, firstly count back 2 degrees to get to zero.

Then count back another 5 degrees to get to - 5°C

Example 2: What temperature is 10 degrees lower than 4 degrees Celsius?

Example 2: What temperature is 10 degrees lower than 4 degrees Celsius?

To find out the answer, firstly count back 4 degrees to get to zero.

Example 2: What temperature is 10 degrees lower than 4 degrees Celsius?

To find out the answer, firstly count back 4 degrees to get to zero.

Example 2: What temperature is 10 degrees lower than 4 degrees Celsius?

To find out the answer, firstly count back 4 degrees to get to zero.

Then count back another 6 degrees to get to - 6°C

Example 2: What temperature is 10 degrees lower than 4 degrees Celsius?

To find out the answer, firstly count back 4 degrees to get to zero.

Then count back another 6 degrees to get to - 6°C

Example 3: What temperature is 10 degrees warmer than - 2 degrees Celsius?

Example 3: What temperature is 10 degrees warmer than - 2 degrees Celsius?

To find out the answer, firstly count up 2 degrees to get to zero.

Example 3: What temperature is 10 degrees warmer than - 2 degrees Celsius?

To find out the answer, firstly count up 2 degrees to get to zero.

Example 3: What temperature is 10 degrees warmer than - 2 degrees Celsius?

To find out the answer, firstly count up 2 degrees to get to zero.

Then count up another 8 degrees to get to 8°C

Example 3: What temperature is 10 degrees warmer than - 2 degrees Celsius?

To find out the answer, firstly count up 2 degrees to get to zero.

Then count up another 8 degrees to get to 8°C

Now try some of your own. Click to get the answers:

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature.

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

b)The temperature was two degrees Celsius. It goes down by eleven degrees. Write down the new temperature.

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

b)The temperature was two degrees Celsius. It goes down by eleven degrees. Write down the new temperature. - 9°C

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

b)The temperature was two degrees Celsius. It goes down by eleven degrees. Write down the new temperature. - 9°C

c)The temperature was five degrees Celsius. It goes down by fifteen degrees. Write down the new temperature.

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

b)The temperature was two degrees Celsius. It goes down by eleven degrees. Write down the new temperature. - 9°C

c)The temperature was five degrees Celsius. It goes down by fifteen degrees. Write down the new temperature. - 10°C

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

b)The temperature was two degrees Celsius. It goes down by eleven degrees. Write down the new temperature. - 9°C

c)The temperature was five degrees Celsius. It goes down by fifteen degrees. Write down the new temperature. - 10°C

d)The temperature was three degrees Celsius. It goes down by seven degrees. Write down the new temperature.

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

b)The temperature was two degrees Celsius. It goes down by eleven degrees. Write down the new temperature. - 9°C

c)The temperature was five degrees Celsius. It goes down by fifteen degrees. Write down the new temperature. - 10°C

d)The temperature was three degrees Celsius. It goes down by seven degrees. Write down the new temperature. - 4°C

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

b)The temperature was two degrees Celsius. It goes down by eleven degrees. Write down the new temperature. - 9°C

c)The temperature was five degrees Celsius. It goes down by fifteen degrees. Write down the new temperature. - 10°C

d)The temperature was three degrees Celsius. It goes down by seven degrees. Write down the new temperature. - 4°C

d)The temperature was seven degrees Celsius. It goes down by twenty degrees. Write down the new temperature.

Now try some of your own. Click to get the answers:

a)The temperature was three degrees Celsius. It goes down by ten degrees. Write down the new temperature. - 7°C

b)The temperature was two degrees Celsius. It goes down by eleven degrees. Write down the new temperature. - 9°C

c)The temperature was five degrees Celsius. It goes down by fifteen degrees. Write down the new temperature. - 10°C

d)The temperature was three degrees Celsius. It goes down by seven degrees. Write down the new temperature. - 4°C

d)The temperature was seven degrees Celsius. It goes down by twenty degrees. Write down the new temperature. - 13°C

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius? - 8°C

d)What temperature is nine degrees warmer than -6 degrees Celsius? 3°C

e)What temperature is ten degrees warmer than -4 degrees Celsius? 6°C

e)What temperature is six degrees warmer than -2 degrees Celsius? 4°C

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius?

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius?

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius?

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius? - 8°C

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius? - 8°C

d)What temperature is nine degrees warmer than -6 degrees Celsius?

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius? - 8°C

d)What temperature is nine degrees warmer than -6 degrees Celsius? 3°C

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius? - 8°C

d)What temperature is nine degrees warmer than -6 degrees Celsius? 3°C

e)What temperature is ten degrees warmer than -4 degrees Celsius?

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius? - 8°C

d)What temperature is nine degrees warmer than -6 degrees Celsius? 3°C

e)What temperature is ten degrees warmer than -4 degrees Celsius? 6°C

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius? - 8°C

d)What temperature is nine degrees warmer than -6 degrees Celsius? 3°C

e)What temperature is ten degrees warmer than -4 degrees Celsius? 6°C

f) What temperature is six degrees warmer than -2 degrees Celsius?

Now try some of your own. Click to get the answers:

a)What temperature is 20 degrees lower than 4 degrees Celsius? - 16°C

b)What temperature is 15 degrees lower than 1 degree Celsius? - 14°C

c) What temperature is 5 degrees lower than - 3 degrees Celsius? - 8°C

d)What temperature is nine degrees warmer than -6 degrees Celsius? 3°C

e)What temperature is ten degrees warmer than -4 degrees Celsius? 6°C

f) What temperature is six degrees warmer than -2 degrees Celsius? 4°C

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