Using bar models to represent known times tables

Using bar models to represent known times tables

Lesson details

Key learning points

  1. In this lesson, we will compare arrays and bar models, and use them as ways of visualising multiplication questions. We will use bar models to help us solve multiplication problems.

Licence

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5 Questions

Q1.
Commutativity means...
It's too hard to answer
Correct answer: multiplication can be answered in any order
subtraction
Q2.
4 x 5 has exactly same answer as
2 x 5
40 x 5
Correct answer: 5 x 4
5 x 5
Q3.
48 is the answer to 4 x 12 and
12 x 2
Correct answer: 12 x 4
2 x 12
4 x 10
Q4.
5 x 9 and 9 x 5 =
40
Correct answer: 45
50
55
Q5.
4 people each buy 8 new pens. How many pens were bought in total?
30
Correct answer: 32
4
8

5 Questions

Q1.
Bar models help us by...
Correct answer: allowing us to understand the question more clearly
giving us the exact answer
having nice colours
Q2.
Arrays and bar models can represent the same thing?
False
Correct answer: True
Q3.
This bar model could show...
12 x 9
3 x 6
Correct answer: 4 x 3
5 x 6
Q4.
What could be the question this bar model is showing?
16 x 3 =
4 x 3 = 16
Correct answer: 4 x 4 = 16
4 x 5 = 16
Q5.
4 x ? = 20 (Use the bar model to help you)
20
4
Correct answer: 5
6

Lesson appears in

UnitMaths / Multiplication and division