Year 9 - Tuesday, 22nd Mar 2022

Round off 0.016668 correct to three significant figures.

Express 87.5% as a decimal.

Evaluate the following:

56 ÷ 0.07

Evaluate the following:

[ (100 ÷ 5 + 6) x 4 ] - 20

A box contains red and blue balls in the ratio 3 : 7.

There are 18 red balls in the box.

How many balls are there in the box altogether?

During a sale, the number of shirts bought in a store increased from 20 to 25.

Calculate the percentage increase in the number of shirts bought.

Find the LCM of 12, 18, and 30.

Find the sum of perfect squares between 20 and 40.