Use different strategies to add multiples of 100
Lesson details
Learning outcome
I can use different strategies to add multiples of 100
Key learning points
- Known facts help us to add multiples of 100
- If 3 plus 2 is equal to 5 then 3 one-hundreds plus 2 one-hundreds is equal to 5 one-hundreds.
- Adding multiples of 100 can be represented in different ways.
Keywords
Multiple - A multiple is the result of multiplying a number by another whole number.
Common misconception
Pupils may initially find it tricky to use known facts to add multiples of 100
When explaining that we can use 3 ones + 6 ones = 9 ones to find 3 hundreds + 6 hundreds = ___, stress that the only thing that changes here is the noun.
Teacher tip
Manipulatives such as place value counters and ten frames may help some pupils to visualise the addition of multiples of 100 Encourage pupils to use these to support their thinking and help them use known facts to work out answers to problems posed (e.g. 800 + 700 is equal to 800 + 200 + 500).
Licence
except where otherwise stated. See Oak's terms & conditions (Collection 2).Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.The place value counters can represent __________
Q2.Which number is represented by the place value counters?
Q3.1,300 is composed of ...
Q4.What number is missing from the number track?
Q5.What number is missing from the number track?
Q6.1,500 can be composed of tens.
Assessment exit quiz
6 Questions
Q1.What is 100 more than 400?
Q2.400 + 400 =
Q3.Which two multiples of 100 could complete the equation? + = 800
Q4.700 + = 1,000
Q5.Match each expression to its sum.
1,400
1,500
1,200
1,300
Q6.What number is missing from this equation? 800 + 800 = 900 +
To help you plan your 4 maths lesson on: Use different strategies to add multiples of 100, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your 4 maths lesson on: Use different strategies to add multiples of 100, 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 Secure place value to 1000: apply to addition and subtraction: multiples of 100 unit, dive into the full primary maths curriculum, or learn more about lesson planning.