Mental Math Competition "final" G3

Salem spent 2 hours working on the job every day. If he worked for 24 hours in total, how many days did he work on the job?

• 26

• 48

• 12

• 23

Amna invited 5 friends and each friend brought 2 other friends. How many guests were there?

• 10

• 15

• 20

• 25

Aya had a box of 160 beads. There were 50 pink beads, 40 red

beads and 45 white beads. The rest of them were yellow. How many yellow beads were there?

• 70

• 35

• 65

• 25

Sara has 180 beads. To make one bracelet, she needs to use 20 beads. How many bracelets should she make using all the beads?

• 15

• 160

• 9

• 200

After passing through the houses on Main Street, the five friends counted how much candy they have. If Bob has 10 candies, Mary has 5, Sue has 20, John has 5 and Sam has 10. How many candies did they have together?

• 25

• 50

• 45

• 40

For her birthday this year, she received a new set of shoes. She now has a total of 33 pairs of shoes. If she gave away 14 pairs of shoes to her friends, how many pairs of shoes are left?

• 19

• 47

• 22

• 25

To get to the bird zoo from the school, the kids have to ride

some buses. If there are 7 buses and each bus has 3 adult

supervisors to guide the children, how many supervisors are there in total?

• 10

• 15

• 20

• 21

Haley loves to collect things. Nine of her closest friends like stickers. If she plans to give all of them an equal number of stickers, how many stickers will each receive if she has 72 stickers?

• 5 Stickers

• 10 Stickers

• 9 Stickers

• 8 Stickers

A large bag of balls was kept under Ahmed’s bed. His mom placed the balls in bags for children in foster homes. If every bag can contain 4 balls and Ahmed has 36 balls, how many bags will be used?

• Seven bags will be used.

• Nine bags will be used.

• Six bags will be used.

• Four bags will be used.

Saeed saw 9 books about the Solar System and its 9 planets. These were thick books and so he thought that 2 of these would be enough. What fraction of the solar system books did he borrow?

• 9 / 2

• 9 / 9

• 2 / 9

• 1 / 9