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Lesson details
Key learning points
- In this lesson, we will explore a model for division involving counting backwards and analysing a number line.
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6 Questions
Q1.
Fill in the gaps: Multiplication by a ___________________ can be visualised as a stretch in the ___________________ direction.
negative, same
scale factor, longer
scale, opposite
Q2.
Calculate 2 x (-9)
-7
18
7
Q3.
Calculate (-2) x (-9) x (-1)
-7
18
7
Q4.
Given n=-3 what would the value of 4n be?
-34
-43
1
12
Q5.
Given n=-3 what would the value of -4n be?
-12
-7
43
Q6.
The product of two numbers is 20. What could the two numbers be?
-0.5, 40
-5, 4
10, -2
6 Questions
Q1.
Use the diagram to select the 2 correct calculations.
3 x 20 = (-60)
60 ÷ 3 = -20
Q2.
Calculate (-123) ÷ 3
-369
369
41
Q3.
Calculate (−24) × (1/8)
-192
192
3
Q4.
Given n=3 what would the value of (-15) ÷ n be?
-12
12
5
Q5.
Use a selection of the integers: −9 ,8 and −4 (without repeats) what is the largest absolute value possible from this expression?
11
21
22
Q6.
Will this calculation be positive or negative?
Positive