Starter quiz
- Complete the sentence. One more than 6 is ___
- 5
- 6
- 7 ✓
- 8
-
- Complete the sentence. One less than 5 is ___
- 3
- 4 ✓
- 5
- 6
-
- Which of these equations is the same as finding two more?
- 2 + 2 = ___ ✓
- 3 + 2 = ___ ✓
- 2 + 3 = ___ ✓
- 2 − 1 = ___
-
- Complete the sentence. Two less than 7 is ___
- 8
- 7
- 9
- 5 ✓
-
- Tick all the correct statements.
- 2 more than 3 is 5 ✓
- 9 is 2 more than 7 ✓
- 2 less than 5 is 7
- 6 is 2 more than 8
-
- Match the equation to the correct total.
- 5 + 2 =⇔7 ✓
- 2 + 8 =⇔10 ✓
- 2 + 4 =⇔6 ✓
- 6 − 2 =⇔4 ✓
Exit quiz
Which sentence describes what the bar model is representing?- Double 4 is 8 ✓
- Double 2 is 4
- Duble 3 is 6
-
What is being shown on this number frame?- Double 4 is 8 ✓
- Double 2 is 4
- 4 + 4 = 8 ✓
-
- Double 3 is 7 True or False?
- True
- False ✓
What halving equation is represented by the bar model?- Half 4 is 2
- Half 8 is 4
- Half 3 is 6
- Half 6 is 3 ✓
-
- Match the statements.
- Double 3 is 6⇔Half 6 is 3 ✓
- Double 5 is 10⇔Half 10 is 5 ✓
- Double 1 is 2⇔Half 2 is 1 ✓
- Double 4 is 8⇔Half 8 is 4 ✓
- Izzy had 8 pounds. She spent half of her money on a new pencil case. How much money does she have left?
- 6 pounds
- 4 pounds ✓
- 8 pounds
- 2 pounds
-
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- When we double, we add two equal addends.
- When we halve, we subtract one of the equal amounts from its double.
- Halving is the inverse of doubling.
- If I know double 4 is 8, I know half of 8 is 4
Common misconception
Children may struggle to see that a double is two of the same thing.
Spend time exploring doubles that can be found in the children's immediate environment e.g. using their hands or playing a game of dominoes.
Keywords
Double / doubling - To become twice as many.
Half - One of two equal parts of a whole.
Halving - To divide into two equal parts.
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