Initial Diagnostic Audit - Foundation Course - Unit 3: Negative Numbers
Section 3.1 - Negative Numbers
1. What temperature is

(a) 3 °C warmer than -4 °C°C

(b) 10 °C warmer than -6 °C °C

(c) 5 °C colder than -4 °C °C

2. Order the numbers below in increasing size by typing the digits 1 to 7 in the given boxes with 1 representing the smallest number and 7 the largest.

-1
-2
-5
5
2
-3
1

3. Put < or > in between each pair of numbers, to make a true statement.

(a) 3 6

(b) -4 4

(c) -2 -1

(d) 0 -7

Section 3.2 - Addition and Subtraction
4. Calculate:

(a) 6 − 7 =

(b) -5 + 3 =

(c) -5 + 9 =

(d) -3 − (-1) =

(e) -6 + (-4) =

(f) -8 − (-9) =

5. Write down the next 3 terms in each of these sequences:

(a) 6, 4, 2, 0, -2, , ,

(b) -10, -8, -6, -4, -2, , ,

(c) -30, -27, -24, -21, -18, , ,

Section 3.3 - Multiplication and Division
6. Calculate:

(a) (-6) × 3 =

(b) (-7) × (-4) =

(c) (-6) × 2 =

(d) 49 ÷ (-7) =

(e) 80 ÷ (-4) =

(f) (-12) ÷ (-3) =

7. Calculate:

(a) (-2)2 =

(b) (-5)2 =

8. Fill in the missing numbers to complete the calculations:

(a) × (-6) = 12

(b) (-40) ÷ = 5

(c) (-2) × = 14

(d) (-2) × × (-3) = -24

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Produced by Russell Geach for CIMT - November 2016