Math Olympiad 3rd Grade Final Assessment

Calculate 34 x 6 x 6.

(a)  

Tags

CCSS.4.NBT.B.5

Calculate 39 x 39.

(a)  

Tags

CCSS.4.NBT.B.5

A rectangle has a short side length of 7 and a long side length of 11.

A square has the same perimeter as the rectangle.

What is the area of the square?

• 16

• 18

• 36

• 49

• 81

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Alex draws a square.

Gary draws a rectangle that is one unit shorter and one unit wider

than Alex's square. The area of Alex's square is 1,600.

What is the area of Gary’s rectangle?

(a)  

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

Jane plants 12 flowers.

Sarah plants 8 times as many flowers as Jane does.

Sarah gives some flowers to Jane.

Now Sarah's number of flowers is 5 times of Jane's.

How many flowers does Sarah give to Jane?

• 4

• 6

• 8

• 10

• 16

Tags

CCSS.4.OA.A.2

If we continued the pattern below, what would be the 1003rd term?

5, 11, 17, 23, ...

(a)  

Tags

CCSS.HSF.BF.A.2

Izzy begins skip-counting at 63. While skip-counting, she doesn't say the number 111. Which of these numbers could Izzy skip-count by?

• 4

• 5

• 6

• 8

• 16

Tags

CCSS.5.OA.B.3

In a queue in front of a ferry there are 8 cars with 19 people in total. There are either 2 or 3 people in each car. How many cars are there with exactly 2 people?

• 2

• 3

• 4

• 5

• 6

Tags

CCSS.3.OA.A.3

Jonas and Elias went to the beach for their vacation, where they had ice cream every day. The ice cream they had, had two or three balls. On the last day of vacation, Jonas and Elias had 23 and 19 ice cream balls, respectively. At least how many days they were on vacation?

• 6

• 7

• 8

• 10

• 11

Tags

CCSS.3.OA.A.3

Anna uses 32 small grey squares to frame a 7 cm by 7 cm big picture. How many small grey squares does she have to use to frame a 10 cm by 10 cm big picture?

• 36

• 40

• 44

• 48

• 52

Tags

CCSS.7.G.A.1