YEAR 9 NUMBER I REVIEW

What is the HCF (highest common factor) of 24 and 30?

• 12

• 6

• 8

• 4

It was 5 degrees when Sam got up in the morning. The temperature rose to 12 degrees by the time he arrived at school. By how many degrees did the temperature rise?

• 17 degrees

• 15 degrees

• 7 degrees

• 9 degrees

Use BEDMAS to help solve the following calculation:

4 x 5 - 3² =

• 4

• 16

• 14

• 11

Use BEDMAS to correctly answer the following calculation: 36 - (3x2)² =

• 24

• 18

• 0

• 26

Tom shared his bag of 60 lollies with two friends. The first friend James received 25 and the other friend received 7 less than James. How many were left for Tom?

• 17

• 28

• 13

• 25

-4 x -12 =

• 48

• -48

• -16

• 16

Which is the correct order when ordering the integers below from smallest to largest? -7, -10, 4 ,0, -2, 10

• -7, -10, -2, 0, 4, 10

• -10, -7, -2, 0, 4, 10

• -2, -7, -10,10, 4, 0

• -10, -7, -2, 0, 10, 4

What is 4⁵ =

• 4 x 4 x 4 x 4 x 4

• 4 x 5

• 1024

• 20

Jenny paid for groceries that cost $98.00. She only had $80 in her account. How much into overdraft (negative) did she go?

• 18 dollars

• -$18

• 20 dollars

• -$20

Use your integer rules to correctly answer: -15 + -7 =

• 22

• -8

• -22

• 8