Starter quiz
What is the missing addend in this bar model?- '101' ✓
- Select the worded problem that requires addition to solve it.
- Jun has 135 points. Aisha has 147 points. How many more points does Aisha have?
- Jun has 135 points. Aisha has 12 points more. How many points does Aisha have? ✓
- Jun has 135 points and Aisha has 147 points. Who has most points?
- Jun has 135 points. Aisha has 147 points. How many is this altogether? ✓
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- Alex was training for a swimming race. On Monday he swam 1,200 m. On Wednesday he swam 1,450 m and on Friday he swam 1,200 m. How far did he swim?______ m
- '3,850' ✓
- Calculate using an efficient strategy. Aisha buys a cup of coffee for £4.09 and a slice of cake for £2.89 How much does she spend? £______
- '6.98' ✓
Complete the column addition to find the sum.- '90.73' ✓
Complete the column subtraction to find the difference.- '18.61' ✓
Exit quiz
- Which bar model represents the story? Laura was counting bees in the school garden. On Tuesday, she saw 12 bees. On Wednesday, she saw 39 and on Thursday she saw 18 How many bees altogether?
A
B ✓
C
- In a relay race, Laura, Jacob, Lucas and Andeep ran a total of 1,400 m. Which bar model could show how far each child ran?
A
B ✓
C ✓
- Laura is dividing 1.8 litres of water equally between three jugs. Which bar model could represent the story?
A
B
C ✓
The bar model shows the number of books borrowed from the library on which days?- Monday ✓
- Tuesday ✓
- Wednesday
- Thursday
- Friday ✓
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Look at the structure of this bar model. Which story could it represent?- Laura has 3 bags of flour that all have the same mass.
- 3 children compare the height of sunflowers. 2 are the same height, 1 is taller. ✓
- Laura has 3 strips of ribbon that are different lengths.
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Look at the bar model. How many books were borrowed altogether? ______ books- '951' ✓
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Additive structures can be applied in a range of contexts.
- Additive structure can be applied in the contexts of measure.
- Additive structure can be applied in the context of statistics.
Common misconception
Pupils identify the correct bar model as the model with the correct numbers with equal parts.
Whilst this may represent the problem with regards to the numbers involved, encourage pupils to consider the size of each part in proportion to the whole as this may help when estimating answers to missing parts or wholes.
Keywords
Represent - To represent something means to show something in a different way.
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