Estimation and rounding
What is 91 to the nearest 10?
90
Expression
What are the next 2 terms of the sequence:
4,6,8,10
12, 14
In the graph y = 2x + 4,
What is y when x = 3
y = 10
What is a whole as a percentage?
100%
What is 2154 to the nearest 100?
2200
3x = 18
x = 6
What are the next 2 terms of the sequence:
2,4,8,16
32,64
What is the gradient of the graph:
-3x + 8
-3
What is 25% as a fraction?
25/100 or 1/4 or equal
Round 3.014725 to 4 significant figures?
3.015
x/4 + 2 = 5
x = 12
What are the next 2 terms of the sequence:
1, 4, 9, 16
25, 36
What is the y-intercept for the graph:
y = 3x + 4x + 8
What is 35% as a fraction in its simplest form?
7/20
Estimate 203.3 x 9.23.
q/4 = 5/2
q = 10
The nth term of a sequence is 7 - 3n:
Work out the 8th term.
-17
The equation of a line graph is y = 2x - 7.
What is x for the coordinate (x, 5)
What is 75% of 56?
42
15
5(d + 5) = 2(d - 4)
d = -11
Find the nth term of the sequence:
5, 8, 11, 14
3n + 2
The gradient of a graph is 3.
If one of the points are (4, 3), what is the next coordinate?
What is 35 as a percentage of 40?
82.5