review sheets

Math’s department
Year 7
Review sheets

• Students can solve all related exercise in their practice book.

• Start with chapter 2 exercises 2A and 2B

• Chapter 4 exercises 4A and 4B

• Students need to print this document and solve on an A4 lined paper.

• Due date: Thursday 5th of November.

• students can scan the answers and send them by email “optional”

• Dina okasha : eldandoon@hotmail.com


1. Without using a calculator, write down the answers:

a 71 × 100 b 0.32 ÷ 1000 c 11.2 × 10 d 7.3 ÷ 10
e 0.002 ÷ 100 f 0.237 × 1000 g 2.07 ÷ 10
h 2.70 × 10


2. Fill in the missing operation in each case.
a0.77→ →0.0077 b0.345 → →34.5
c6.23→ →62300 d40 → →0.04

3 . Find the missing number in each case.

a 90 × 10 = b 10 × = 1000 c 9 ÷ 10 =

d 0.9 ÷ = 0.009 e 0.8 × 10 = f 0.12 × = 1200

g 0.17 ÷ 10 = h 0.5 ÷ = 0.005 I ÷ 100 = 0.012



4. Round off these numbers to i the nearest 10 ii the nearest 100 iii the nearest 1000.

79 456 7653 979 5679







5.Round the following numbers : 12.356, 76.89, 123.9, 103.9, 199.99
to the nearest whole number, one decimal place





6. Convert each of the following decimals to a fraction.

a. 0.78 b. 0.24 c 0.84 d 1.75 e 2.4





7. Three cans of coke cost £1.05. How much do a. 9 cans cost? B. 15 cans cost?



8.. The ratio of boys to girls in a class is 2 : 3. There are 10 boys in the class. How many girls are there?




9..Reduce each of the following ratios to their simplest form.

a 2 : 8 b 3 : 15 c 12 : 20 d 9 : 18 e 15 : 20 f 18 : 30




10. There are 200 passengers on an aircraft. 120 are British, 40 are French, 24 are German and the rest are Italian.


a. Write down the percentage of each nationality on the aircraft.




b. Write down each of the following ratios in their simplest form.



i. British: French ii. French: German iii . German: Italian









11. Divide £150 into each of these ratios.

a 2 : 3 b 1 : 9 c 2 : 1 d 1:3





12. There are 1200 pupils in a secondary school. The ratio of girls to boys is 5 : 7.
How many boys and girls are there in the school?




13. Alf has 90 budgies. The ratio of yellow birds to blue birds is 4 : 5. How many of each color are there?

Miss Dina ..
In the old website
www.els-egypt.com
There was different questions than these so, I answered the other ones ..
So please can I send it to you on Saturday or something