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
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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?