G5 Math Olympiad Part A

Westview School is buying 12 new basketball uniforms. Each uniform costs $46. Which equation shows a way to find the total cost of the uniforms?

• 1. (40 × 10) + (6 × 2) = 400 + 12

• 1. (40 × 6) + (10 × 2) = 240 + 20

• 1. (40 × 12) + (6 × 12) = 480 + 72

• 1. (40 × 12) + (60 × 12) = 480 + 720

• 1. None of the above

For three days, Kitty was catching mice. Each day Kitty caught 2 more mice than she did the previous day. In total, how many mice did Kitty catch during these three days?

• 14

• 13

• 8

• 10

• 9

Laura decorated each of her 24 cookies. She decorated 15 cookies with green colour and 13 cookies with blue colour. How many cookies were decorated with both green and blue colour?

• 4

• 3

• 5

• 6

• 2

The sum of ages of Allie, Diana and Zoe is 15. Next year, the sum of their ages will be ____.

• 16

• 18

• 17

• 15

• 45

How many rectangles are there in the figure below?

• 6

• 10

• 15

• 13

• 14

February 2017 has 28 days. The number of days in this year's February is how many times of the number of days in one week?

• 4 times

• 7 times

• 21 times

• 35 times

• None of the above

There were 400 members in a chess club last year. The number of members decreased by 5% this year. How many members are there in the chess club this year?

• 395

• 390

• 385

• 380

• 375

The product of all the factors of 10 is equal to _______.

• 17

• 100

• 50

• 200

• 10

The sum of two prime numbers is always ______

• even

• divisible by 3

• odd

• greater than 3

• prime

What fraction of the whole figure below is shaded?