Unit 4: More Adding and Subtracting with Two-Digit Numbers

Hector and his sister made cookies for the school bake sale.They made 15 sugar cookies and 28 chocolate chip cookies. How many cookies did Hector and his sister bake?

• 43
• 13
• 33

Tags

CCSS.2.OA.A.1

Jeremiah saw 22 deer in a forest. Some of the deer ran away. Now there are 16 deer left. Which number sentence can be used to find how many deer ran away?

• 22 – 6 = ?

• 22 + 16 = ?

• 22- ? = 16

Tags

CCSS.1.OA.D.8

Jason has 67 coins in his collection.He gets 19 more coins. Which number sentence can be used to find how many coins Jason has in his collection now?

• 67-?=19
• 67-19= ?
• 67+19=?

Tags

CCSS.2.NBT.B.6

Will has a bag of 27 pieces of candy. Which number sentence could be used to find how many more pieces of candy he needs to have 70 pieces?

• 27+70=?
• 70-27=?
• ?-27= 70

Tags

CCSS.2.OA.A.1

1. Joe reads 8 books. Janet reads 3 books, and Sid reads 2 books.

Which equation and solution show how many books they read in all?

• 3 + 2 = ?

  5 books

• 8 + 2 = ?

  10 book

• 8 + 2 + 2 = ?

  12 books

• 8 + 3 + 2 = ?

  13 books

Tags

CCSS.2.OA.A.1

Danny has 14 goldfish in his tank. He gives 6 fish to Jenny as a gift.

Which equation shows how many goldfish Danny has left?

• 14 + 6 = 20

• 14 - 6 = 8

• 6 + 6 =12

• 6 - 6 = 0

Tags

CCSS.2.OA.A.1

• 41 + 23

• 51 + 34

• 62 + 35

• 51 + 44

Tags

CCSS.2.OA.A.1

• 71 + 12

• 52 + 23

• 17 + 63

• 74 + 13

Tags

CCSS.2.OA.A.1

• 72 - 40

• 85 - 31

• 93 - 80

• 93 - 31

Tags

CCSS.5.NBT.B.7

• 45 - 13

• 28 - 13

• 28 - 21

• 35 - 22

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6