Year 3
Year 3
Drawing bar models to represent word problems
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Lesson details
Key learning points
- In this lesson, we will learn to add and subtract in mixed units to help us draw bar models to represent word problems
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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4 Questions
Q1.
Bar models are used for...
Can be a representation of a word problem that helps to identify the calculation needed to solve it.
Help show the relationship between the known and unknown values in a problem.
Help to identify if there is a comparison between two or more values or if there are part-whole relationships or scaling relationships between values.
Q2.
What are the known and unknown values?
Known values: 89g and 35g. Unknown: The known values added together. (89g + 35g)
Known values: 89g. Unknown value: 35g
Q3.
Match the word problem to the correct bar model.
Option 2
Option 3
Q4.
Match the word problem to the correct bar model
Option 2
Option 3
4 Questions
Q1.
3kg and 360g + 5kg and 575g
8 and 935
8kg and 935kg
943 kg g
Q2.
6L and 576ml - 3L and 145ml
3 and 431
3ml and 431L
9L and 721ml
Q3.
Match the word problem to the bar model.
Option 1
Option 3
Q4.
Match the bar model to the word problem.
Addy and Melvin collected wastewater, measuring them each month. In April they collected 1 litre and 500 ml and in May they collected another 7 litre and 500 ml. What was the weight of the cans they collected altogether?
Buttons and Addy compared how much water they drank in a day. Addy drank 7 litres and 500 ml. Buttons drank 1 litre and 500 ml less. How much water did Buttons drink?