New
New
Lesson 7 of 10
New
New
- Year 3
Subtracting small numbers
I can subtract numbers below 10 using efficient strategies.
Lesson details
Key learning points
- When the subtrahend is bigger than the ones value of the minuend, we will have to bridge through 10
- Composition of numbers to 10 allows us to partition numbers when we are subtracting.
- Composition of numbers to 10 allows us to bridge through ten when subtracting.
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
Difference can only be found by counting back.
Difference can be calculated by subtracting the subtrahend from the minuend or by counting between the subtrahend and the minuend.
Pupils need to understand that subtraction is the inverse of addition. Addition facts can help with solving subtraction calculations. Tens frames, bar models and number lines can all be used to represent subtraction problems.
Teacher tip
Licence
This content is © Oak National Academy Limited (2025), 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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Prior knowledge starter quiz
6 Questions
Q1.What is one less than 7?
What is one less than 7?
Q2.What is the missing number in the equation?
What is the missing number in the equation?
Q3.Match the one less questions to the correct answer.
Match the one less questions to the correct answer.
Q4.Which equation could Alex use to find the missing number in this bar model?
Which equation could Alex use to find the missing number in this bar model?
8 + 3 =
3 − 8 =
Q5.What is the answer to this equation?
What is the answer to this equation?
Q6.Izzy has nine cherries. She eats three. How many cherries are left?
Izzy has nine cherries. She eats three. How many cherries are left?
12
8
7
Assessment exit quiz
6 Questions
Q1.Complete: 5 + 4 = 9 so 9 − 5 =
Complete: 5 + 4 = 9 so 9 − 5 =
Q2.Alex has six cherries. He eats three of them. How many are left?
Alex has six cherries. He eats three of them. How many are left?
4
5
6
Q3.What is 9 in this equation? 9 − 2 = 7
What is 9 in this equation? 9 − 2 = 7
the subtrahend
the difference
Q4.Which equation is represented by the number line?
Which equation is represented by the number line?
9 − 3 = 6
9 + 3 = 6
9 + 6 = 3
Q5.What is the difference between 9 and 11?
What is the difference between 9 and 11?
Q6.Match each equation to the answer.
Match each equation to the answer.
