revision 10

If  n is a whole number, the product of n by itself will always be a(n) _________ number.

• prime

• square

• even

• odd

            Consider the number sentence below.

            4²×5= ___×10.

    Which number makes the number sentence true?

• 8

• 16

• 5

• 4

8465 – 987 = ______.

• 1422

• 1415

• 7478

• 8442

• 10

• 12

• 14

• 16

• 4

• 0

• 10

• 2

Barry has 8 marbles, Tim has 3 times Barry’s amount and Lance has 2 marbles less than Tim. How many marbles does Lance have?

• 13

• 26

• 22

• 1

Marla was born in 2005. Kayla is 4 years older than Marla. How old will Kayla be in 2016?

• 7

• 11

• 8

• 15

Cups are sold 6 to a package and plates are sold 8 to a package. If you want to have the same number of each item for a party, what is the least number of packages of each you need to buy?

• 24 packages of cups and 24 packages of plates

• 8 packages of cups and 6 packages of plates

• 4 packages of cups and 3 packages of plates

• 3 packages of cups and 4 packages of plates

Jovan has 2160 marbles. If he wants to share them equally among his 12 friends, how many marbles will each friend get?

• 2590

• 72

• 180

• 170

• 108

• 36

• 24

• 27