Drawing bar models to represent word problems

Drawing bar models to represent word problems

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Lesson details

Key learning points

  1. 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...
Correct answer: All of the above
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?
An image in a quiz
Known values: 89g and 35g. Unknown: The known values added together. (89g + 35g)
Known values: 89g. Unknown value: 35g
Correct answer: Known values: 89kg and 35kg. Unknown: The difference between the known values. (89g - 35g)]
Q3.
Match the word problem to the correct bar model.
An image in a quiz
Correct answer: Option 1
Option 2
Option 3
Q4.
Match the word problem to the correct bar model
An image in a quiz
Correct answer: Option 1
Option 2
Option 3

4 Questions

Q1.
3kg and 360g + 5kg and 575g
8 and 935
Correct answer: 8kg and 935g
8kg and 935kg
943 kg g
Q2.
6L and 576ml - 3L and 145ml
3 and 431
Correct answer: 3L and 431ml
3ml and 431L
9L and 721ml
Q3.
Match the word problem to the bar model.
An image in a quiz
Option 1
Correct answer: Option 2
Option 3
Q4.
Match the bar model to the word problem.
An image in a quiz
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?
Correct answer: Mr Slade treated his class to some juice for playing nicely in the hot weather. He used 1 litre and 500 ml of squash. With the right amount of water, it made 7 litres and 500 ml of juice. How much water was in the juice?

Lesson appears in

UnitMaths / Measures