Use different strategies to add multiples of 100 | Maths

Starter quiz

The place value counters can represent __________
- Fourteen hundred ✓
- Sixteen hundred
- One thousand and forty
- One thousand four hundred ✓
Which number is represented by the place value counters?
- 1,001
- 1,010
- 1,100 ✓
1,300 is composed of ...
- 13 hundreds ✓
- 1 thousand and 3 tens
- 1,300 tens
- 1,300 ones ✓
What number is missing from the number track?
- '1,000' ✓
What number is missing from the number track?
- '1,500' ✓
1,500 can be composed of ______ tens.
- '150' ✓

Exit quiz

What is 100 more than 400?
- '500' ✓
400 + 400 = ______
- '800' ✓
Which two multiples of 100 could complete the equation? ______ + ______ = 800
- 300 ✓
- 400
- 500 ✓
- 600
700 + ______ = 1,000
- '300' ✓
Match each expression to its sum.
- 700 + 700 =
  
  ⇔
  
  1,400 ✓
- 700 + 800 =
  
  ⇔
  
  1,500 ✓
- 900 + 300 =
  
  ⇔
  
  1,200 ✓
- 600 + 700 =
  
  ⇔
  
  1,300 ✓
What number is missing from this equation? 800 + 800 = 900 + ______
- '700' ✓

Worksheet

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Presentation

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Lesson Details

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.

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.

Keywords

Multiple - A multiple is the result of multiplying a number by another whole number.