New
New
Year 2
Add two numbers that bridge through 10
I can add two numbers that bridge through 10
New
New
Year 2
Add two numbers that bridge through 10
I can add two numbers that bridge through 10
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Lesson details
Key learning points
- Partition one of the addends to make a pair that total 10 with the other addend.
- Use known facts to partition an addend.
Keywords
Partition - The act of splitting an object or value down into smaller parts.
Number pair - In this instance, two numbers that sum to make 10
Common misconception
Children use ten frames but use them to ‘count all’ or ‘count on’ without making 10
Ten frames can provide a great scaffold for all in this lesson when used to 'make 10'. Stress that we partition an addend to make 10 and that once the ten frame is full, it shows one ten so we do not need to count them all.
Provide children with lots of opportunities to explore this idea using ten frames, repeating the key stem sentence as they move the counters around. Children will need regular practise using this strategy to develop fluency in bridging 10
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 sentences.
3
6
8
5
1
Q2.
Which expressions include two addends that are a number pair to 10?
6 + 5 + 2
Q3.
Which are correct?
5 + 4 + 2 < 10
1 + 8 + 2 = 10
Q4.
Which two addends would you add first to make a number pair to 10?
8
Q5.
Look at this equation and complete the stem sentence.
3 + 7 is equal to ___, then ___ + ___ is equal to
Q6.
Complete the equation using an efficient strategy.
3 + 7 + 3 =
Exit quiz
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6 Questions
Q1.
Look at the image. What does it show?
8 + = 13
Q2.
This image shows 8 + 5 = 13
How have the red counters been partitioned?
1 and 4
4 and 1
Q3.
This image shows 9 + 4 How should the 4 be partitioned?
Partition 4 into 2 and 2
Partition 4 into 4 and 0
Q4.
Look at the image. Order the story that it shows.
Q5.
Look at the image. How would 8 in this equation be partitioned to help to make 10?
Partition into 2 and 6
Partition into 5 and 3
Q6.
Partition 8 in this equation and complete. 6 + 8 =