Write this fraction in its simplest form:
3/12
1/4
Find the perimeter of this rectangle
38cm
12 + 12 + 7 + 7 = 38
Find the highest common factor of 14 and 35
14: 1, 2, 7, 14
35: 1, 5, 7, 35
HCF = 7
Simplify this expression by collecting like terms:
5m + 8e – 3m + 7e
5m - 3m + 8e + 7e
2m + 15e
Calculate the mean for the following:
Number of TV’s people’s home (10 people): 3, 4, 6, 3, 2, 1, 4, 3, 3, 2
3 + 4 + 6 + 3 + 2 + 1 + 4 + 3 + 3 + 2 = 31
31 ÷ 10 = 3.1
Convert this mixed number into an improper fraction.
5 1/3
16/3
3 xx 5 + 1 = 16
Find the area of this rectangle
330cm2
33 xx 10 = 330
Solve
√49
7
Simplify the following:
7a xx 3b^2 xx 2
= 7 xx 3 xx 2 xx a xx b xx b
= 42ab^2
What is the outlier?
8
Place these fractions in ascending order
2/3, 3/4, 4/5
LCM = 60
45/60, 48/60, 40/60
Find the area of this parallelogram
72cm2
Area = b x h
12 x 6 = 72
Simplify the following expression by writing it in index form:
5 xx 5 xx 5 xx 3 xx 2 xx 3
5^3 xx 3^2 xx 2
Solve the following:
7 + 4a = 23
4a = 23 - 7
4a = 16
a = 16/4
a = 4
How far did this person travel in total AND in the fifth hour?
Total = 30km
5th hour = 5km
Solve the following:
1/5 + 1/2
7/10
LCM = 10
2/10 + 5/10 = 7/10
Find the area of this triangle
70m2
Area = (b xx h) / 2
Evaluate the following term:
7^2 – 6^2
= 7 x 7 – 6 x 6
= 49 – 36
= 13
Solve by expanding brackets first:
3 (x + 2) = 18
3x + 6 = 18
3x = 18 - 6
3x = 12
x = 12/3
x = 4
A fair 6-sided dice is rolled.
a. List the sample space. 1, 2, 3, 4, 5, 6
b. Find the probability of rolling a multiple of 3, giving your answer as a fraction.
a. 1, 2, 3, 4, 5, 6
b. multiples = 3, 6
2/6 = 1/3
Solve the following:
3/5 ÷ 3/8
8/5
3/5 xx 8/3 = 8/5
Find the area of this composite shape
66cm2
12 x 4 = 48
6 x 6 / 2 = 18
18 + 48 = 66
Express the number 60 in prime factor form (factor tree)
Solve the following:
3 (b + 5) + 4b = 29
When rolling a 6-sided die, the following numbers come up: 1, 4, 1, 1, 1, 4, 2, 3, 6, 2
Based on this experiment, how many times would you expect to roll an even number if you roll 100 times?
Pr(even) = 4/10
probability xx number of trials = 4/10 xx 100
= 40