Addition and Subtraction of Two Digits

Seb has a box of 120 cubes.

He uses some of the cubes to build a tower.

77 cubes are leftover.

How many cubes has he used?

• 53

• 24

• 34

• 43

Tags

CCSS.2.NBT.B.7

Write the three missing digits to make this addition correct.

• 1, 6, and 5.

• 2, 4, and 4.

• 1, 5 and 5.

• 1, 6, and 6.

Tags

CCSS.2.NBT.B.7

What is the sum of 59 cupcakes and 27 cupcakes?

• 86

• 76

• 68

• 85

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

If I take away 69 from 99 what number will I be left with?

• 20

• 30

• 39

• 29

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

−2 + 8 =

• 6

• −6

• −10

• 10

Tags

CCSS.7.NS.A.1C

What is the second pair of number, that will make 10

Tags

CCSS.1.OA.A.1

I downloaded 15 games on my tablet. The next day I downloaded 15 more. How many games have I downloaded altogether?

• 30

• 25

• 29

• 35

Tags

CCSS.2.OA.A.1

Take away the number of doughnuts from the number of eggs

• 30 - 12 = 18

• 24 -10 = 14

• 30 - 12 = 16

• 30 - 12 = 14

Tags

CCSS.2.OA.A.1

What is the second pair of number that will make 20

Tags

CCSS.2.OA.A.1

Decrease 77 by 34

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2