Yr7 Maths

Operations with Decimals

100

Calculate 0.23 + 0.85

1.08

200

Calculate 2.3 x 0.6

1.38

300

Round 6.567 to 1 decimal place

6.6

400

Given 23.56 x 2.89 = 68.0884. 

Calculate 0.2356 x 28.9

680.884

500

0.045 x 7 300 000

328500

Fractions, Decimal percentages

100

Write 0.2 as:

a) A simplified Fraction

b) A percentage

1/5

20%

200

Find 35% of 260

91

300

Express 2 1/6 as:

a) A recurring Decimal

b) A percentage (rounded to the nearest %)

2.166666666666666666666

217%

400

Write the following in ascending order:

10%, 1/8, 15%, 0.13

10%, 1/8, 0.13, 15%

500

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?

$53.55

Algebra

100

If a=3 and b=7 find the value of

2a + b

13

200

Simplify

2a - 4a + 3b - b

-2a + 2b 

or

2b - 2a

300

Simplify:

2a x 4a x 4b

32a²b

400

Expand the bracket:

2b(2b - c)

4b² - 2bc 

500

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

Indices

100

Write the following in expanded form:

3⁴ x 2³

3 x 3 x 3 x 3 x 2 x 2 x 2

200

Evaluate:

3² - 2³

1

300

Write 120 as a product of its prime factors (in index form)

2³ x 3 x 5

400

Evaluate 6² x 4⁰ x 2² 

144

500

Simplify the following by writing in index form

(4³ x 4²)³ x 4⁵

4²⁰