Math Olympiad 2nd Grade Mid-term Assessment

What is the greatest number you can make with digits: 5, 2, 3, 8, with 5 at ones place?

You are making a 2-digit numbers using digits 2, 0, 1, 8. They must be bigger than 10 and smaller than 25. Every number is made up of two different digits. How many different numbers can you make?

• 4

• 5

• 6

• 7

• 8

How many numbers, which are only allowed to contain the digits 1, 2 or 3, are bigger than 10 and smaller than 32? The digits can be used more than once in the numbers.

• 2

• 4

• 6

• 7

• 8

Each of the digits 2, 3, 4 and 5 will be placed in a square. Then there will be two numbers, which will be added together. What is the biggest number that they could make?

• 68

• 77

• 86

• 95

• 97

Fill the blank with a 3-digit number: 3 hundreds and 33 tens =_____

37 = 2 tens + ____ ones

Tags

CCSS.1.NBT.B.2

125 = ____ tens + 25 ones

There are 408 ants in a line going home.

After 10 ants get home, how many ants are left in the line?

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.C.4

CCSS.1.OA.A.1

CCSS.1.OA.C.5

CCSS.1.OA.C.6

Grogg's number is 1 more than Alex's. Alex's number is 100 more than Winnie's. Winnie's number is 10 less than Lizzie's. Lizzie's number is 509. What is Grogg's number?

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

875 + 124 =

Tags

CCSS.1.NBT.B.2

CCSS.1.NBT.C.4