Topic 2 Math review

Which number sentence helps you answer the question? Carl has 14 Pokemon cards. He finds 7 more on the floor. How many cards does Carl have in all?

• 7+7=14

• 14+7=21

• 14-7=7

• 21-7=14

Tags

CCSS.2.OA.C.3

Which number sentence helps you answer the question? Shana made a Lego building. She used 8 red Legos and 3 green Legos. How many Legos did she use in all?

• 8-3=5

• 5+3=8

• 11+3=14

• 8+3=11

Tags

CCSS.2.OA.C.3

What is the missing number?

6+4= 4+ ?

• 3

• 6

• 10

• 2

Tags

CCSS.1.OA.B.3

The commutative property of addition means...

• You can add numbers in any order and the sum will be the same

• You can group addends in any way, and the sum will be the same.

• The sum of any number and zero equals that same number

Tags

CCSS.1.OA.B.3

What is one way you could find the sum of 42 + 35 using mental math?

• 40 + 30 and 2 + 5

• 40 + 30 and 2 + 10

• 20 + 40 and 2 + 5

• 20 + 50 and 10 + 5

Tags

CCSS.2.NBT.B.5

A plane left with 79 passengers. At the first stop, 34 passengers got off the plane. How many passengers were left?

• 45

• 34

• 55

• 113

Tags

CCSS.2.OA.A.1

A book store had 76 books on Monday. By Friday, the store had sold 21 books. How many books had not been sold?

• 54

• 97

• 55

• 35

Tags

CCSS.2.OA.A.1

Trisha read 63 pages of a book on Saturday and 21 pages of a book on Sunday. Which is the best estimate of the total number of pages she read on the two days?

• 70

• 60

• 80

• 90

Holly collected 297 coins last week and 307 coins this week. What is the best estimate for the number of coins she has collected so far?

• 650

• 600

• 700

• 500

The drive to school takes 34 minutes. If they have already driven 23 minutes, how many minutes do they have left to go?

• 11 minutes

• 1 minute

• 57 minutes

• 51 minutes

Tags

CCSS.3.MD.A.1