Term 1 Year 7 Maths Review

Positive and Negative Integers

100

6 + (-5)

1

200

(-5) x (-3) x (-2)

-30

300

(-4)² - (-3)

19

400

The temperature is 5 degrees Celsius at 8:00am.

The temperature drops by 2 degrees Celsius every hour. What is the temperature at 1:00pm?

- 10 degrees Celsius

500

Fill in the gaps with + or - signs to make the number sentence true:

2 __ 4 __ 6 __ 3 = 10 - 5 - 3 - 1

2 - 4 + 6 - 3 = 10 - 5 - 3 - 1

Prime and Composite Numbers

100

Name the prime number between 20 and 25.

23

200

List the prime numbers between 60 and 70.

61, 67

300

Which of the following are not prime numbers?

1, 3, 6, 7, 13, 15, 19, 21, 23

1, 6, 15, 21

400

Calculate the sum of the first 8 prime numbers

2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 = 77

500

Calculate the average of the last 5 prime numbers before 100.

84.2

Factors and Multiples

100

List the first three multiples of 6

6, 12, 18

200

List the factors of 12

1, 2, 3, 4, 6, 12

300

Find the HCF of 150 and 225

75

400

Find the LCM of 8, 12 and 18

72

500

David, Ryan and Libby are all delivery drivers. David gets paid $90 per delivery. Ryan gets paid $60 per delivery. Libby gets paid $80 per delivery.

What is the least amount of deliveries should each make so that they all get paid the same amount?

David should make 8 deliveries. Ryan should make 12 deliveries. Libby should make 9 deliveries.

Order of Operations

100

(30/5) + 2 * 3² =

24

200

6(5 x 3)+8/2-6+3=

91

300

4+2(8² -4)-20/2=

470

400

5x2+10-3x5²=

-55

500

5x4(10x2) + 6 =

406

Decimals

100

1.2 + 0.05

1.25

200

7.29 - 0.802

6.488

300

2.15 x 0.7

1.505

400

6.4 / 0.04

160

500

A plane travelled 2781.1 miles in 6.4 hours.

If 1 mile equals 1.6 kilometres, what is the average speed of the plane in kilometres per hour?

695.275 km/hr