Addition by bridging through 10
I can add two numbers by bridging through ten.
Addition by bridging through 10
I can add two numbers by bridging through ten.
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Lesson details
Key learning points
- Partitioning addends supports bridging 10.
- Pairs to 10 can be used to add two or more addends.
Keywords
Bridge - Bridging is a mental strategy which uses addition or subtraction to cross a number boundary.
Partition - Partition means splitting a number into parts.
Common misconception
Pupils partition one of the addends incorrectly to help them bridge ten.
Pupils use number pairs that total ten to help them partition the addend. They consider what they have to add to make ten.
To help you plan your year 3 maths lesson on: Addition by bridging through 10, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 3 maths lesson on: Addition by bridging through 10, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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The assessment exit quiz will test your pupils' understanding of the key learning points.
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Explore more key stage 2 maths lessons from the Review strategies for adding and subtracting across 10 unit, dive into the full primary maths curriculum, or learn more about lesson planning.
Licence
Prior knowledge starter quiz
6 Questions
Q1.Which of these are number pairs that total 10?
Q2.Match the equation to the sum.
6
5
7
8
Q3.What addend is missing from this equation? 5 + = 10
Q4.What is the missing addend? 10 + = 14
Q5.What addend is missing from the bar model?

Q6.The two missing addends in the equation have the same value. What is that value?

Assessment exit quiz
6 Questions
Q1.Look at the equation. How would you partition 6 to find the sum?

Q2.The number line shows an addition strategy. What number is missing from the number line?

Q3.Alex adds two number cards together to make a total. Match the numbers to the sums.

11
12
13
15
Q4.Izzy added together two numbers to make a sum. She represented her strategy on a number line. What equation did Izzy do?

Q5.What addend is missing from this equation? + 4 = 20
Q6.What addend is missing from the bar model?
