Math Olympiad Grade 3 Midterm Quiz

Today is a Saturday and Sara checks her calendar to find out what day of the week her birthday falls this year. If her birthday is in 55 days, on what day of the week is her birthday this year?

• Tuesday

• Wednesday

• Thursday

• Friday

• Saturday

Tags

CCSS.3.MD.A.1

Alex, Izzy, Sam, and Winnie are playing a game. Izzy and Sam choose a number, n, that they can both see. They each divide n by a new number and share either the quotient or the remainder with Alex and Winnie. The goal is to give just enough information to figure out exactly what n must be.

Izzy divides n by 7 and says the remainder is 6.

Sam divides n by 5 and says the quotient is 12.

What is n?

Tags

CCSS.7.NS.A.3

Angelica added all the whole numbers from 1 to 20.

Benjamin added all the whole numbers from 11 to 30.

Chris subtracted Angelica’s answer from Benjamin’s.

What is the number Chris got?

When Tom weighed an apple and a banana, the scale showed 230 grams. When he replaced the apple with an orange, the scale showed 370 grams. When Tom put the apple back, the scale showed 540 grams. What is the combined weight of the apple and orange?

• 480g

• 400g

• 310g

• 230g

• 170g

Tags

CCSS.4.MD.A.2

Jessica has a lot of apps on her phone. The number of apps she has is divisible by 5. If she downloaded 10 more apps, she would still have less than 50 apps. What is the maximum original number of apps Jessica could have?

• 45

• 40

• 35

• 30

• 49

Tags

CCSS.5.OA.B.3

There were 60 birds on three trees. Then 6 birds flew away from the first tree. 8 birds flew away from the second tree and 4 birds flew away from the third tree. Now there are the same number of birds on each tree. How many birds were there on the second tree in the beginning?

Tags

CCSS.3.OA.D.8

In Olive’s kingdom, castles have 8 beds and homes have 2 beds. If there are 48 beds and 3 castles, how many homes are there?

• 12

• 16

• 24

• 36

• 48

Tags

CCSS.3.OA.D.8

Briana can solve 6 puzzle cubes in 4 minutes, and Avima can solve 5 puzzle cubes in 6 minutes. At these rates, Briana can solve one cube _____ seconds more quickly than Avima can?

• 24

• 27

• 30

• 32

• 34

Tags

CCSS.6.RP.A.3B

Jake bought cheese slices to put on his daily sandwich. If he puts 6 cheese slices on each sandwich, then one day he will have 2 cheese slices left over. If he puts 5 cheese slices on each sandwich, then one day he will have 3 cheese slices left over. He could have started with _____ cheese slices?

• 13

• 14

• 24

• 26

• 38

Tags

CCSS.4.NBT.B.6

Ella wears a sweater of a different color each day of the week -- red for Sundays, blue for Mondays, etc. Each of her many sweaters is one of 7 different colors. She donates each sweater to charity after wearing it 4 times! The least number of sweaters Ella wears during December is ____?

• 7

• 8

• 10

• 11

• 12