Calculate 0.23 + 0.85
1.08
Write 0.2 as:
a) A simplified Fraction
b) A percentage
1/5
20%
If a=3 and b=7 find the value of
2a + b
13
Write the following in expanded form:
34 x 23
3 x 3 x 3 x 3 x 2 x 2 x 2
Calculate 2.3 x 0.6
1.38
Find 35% of 260
91
Simplify
2a - 4a + 3b - b
-2a + 2b
or
2b - 2a
Evaluate:
32 - 23
1
Round 6.567 to 1 decimal place
6.6
Express 2 1/6 as:
a) A recurring Decimal
b) A percentage (rounded to the nearest %)
2.166666666666666666666
217%
Simplify:
2a x 4a x 4b
32a2b
Write 120 as a product of its prime factors (in index form)
23 x 3 x 5
Given 23.56 x 2.89 = 68.0884.
Calculate 0.2356 x 28.9
680.884
Write the following in ascending order:
10%, 1/8, 15%, 0.13
10%, 1/8, 0.13, 15%
Expand the bracket:
2b(2b - c)
4b2 - 2bc
Evaluate 62 x 40 x 22
144
0.045 x 7 300 000
328500
A video game had an original price of $90. It was reduced by 30% in a sale. And then that price was reduced by a further 15%. How much is the video game sold for?
Write a simplified expression for the following:
A number x, is doubled and subtracted from 10. The result is multiplied by 7 and then the original number, x, is subtracted.
70 - 13x
Simplify the following by writing in index form
(43 x 42)3 x 45
420