Download Problem Solving with Negative Numbers

Problem Solving with Negative Numbers
1.
The following shows some number cards:
-6
-5
-3
3
5
9
a. ) Select cards to make the following correct:
-2
+
= -5
6
+
= 0
-2
-
= 1
+
+
= 0
-
=0
b.) Select cards to give the lowest possible result:
+
=
c) Select cards to give the highest possible result:
2.
=
Copy and complete the table:
First Number
5
2
Second Number
4
Sum
9
-8
-2
-7
-2
Product
20
-8
12
-15
3.
4.
a) find 4 pairs of numbers that have a product of -6
b) find 6 pairs of numbers that have a product of -12
c) find 4 pairs of numbers that have a product of 15
d) How many pairs of numbers have a product of 24
a) Find :
(i) 3²
b)
5.
(ii) 4²
Find :
(i) (-3) ² (ii)
(iii) 8²
(-4) ² (iii) (-8) ²
(iv) 13²
(iv) (13) ²
c)
What do you notice about the result you get
when you square a number
d)
give two answers to 9
e)
find (-9)
a) Find :
(i) -2²
(ii) (-2)³ (iii) (-2)4 (iv) (-2)5 (v) (-2)6
b) What do you notice about the powers and
Signs
c) If 35 = 243 what is :
a) (-3)5
b) (-3)6
c) (-3)7