New
New
Year 3
Subtracting to and from 10
I can subtract to and from 10.
New
New
Year 3
Subtracting to and from 10
I can subtract to and from 10.
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Lesson details
Key learning points
- When the minuend has the same number of ones as the value of the subtrahend, the difference is 10
- Number pairs to 10 allow us to work out the difference from the subtrahend.
Keywords
Minuend - The minuend is the number being subtracted from.
Subtrahend - A subtrahend is a number subtracted from another.
Difference - The difference is the result after subtracting one number from another.
Common misconception
When there's more than one subtrahend, the order cannot be changed.
Subtrahends can be subtracted from the minuend in any order. They can also be added together before being subtracted.
Tens frames and number lines (from 1-20, and some from 20-30) would help pupils represent the problems. Emphasise the learning with the pupils: the difference is a 10 when the subtrahend is the same as the ones digit of the minuend.
Teacher tip
Licence
This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).
Lesson video
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Starter quiz
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6 Questions
Q1.
Complete the equation: 5 − 3 =
Q2.
What number has been subtracted in this number line representation?
Q3.
What number is missing from the bar model?
2
3
4
Q4.
Match each equation to the correct answer.
2
5
3
4
Q5.
Izzy chooses two of these number cards. She subtracts one number from the other. She gets the answer three. Which two cards did she choose?
7 and 6
7 and 5
8 and 6
Q6.
What is the answer to this equation?
Exit quiz
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6 Questions
Q1.
What is the missing subtrahend in this equation?
Q2.
Which calculations equal 10?
13 − 2 =
17 − 8 =
Q3.
What is the missing subtrahend in this equation?
Q4.
Match the subtraction calculation to the correct difference.
6
2
3
1
Q5.
There are ten slices of pizza. Alex eats 3 slices and Izzy eats 4 slices. How many slices of pizza are left?
Q6.
What is the missing subtrahend in this equation?
Additional material
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