Exploring Mental Addition Techniques Within 100

What is the result of adding 46 to 15?

• 65

• 63

• 60

• 61

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

How much do you get when you add 37 and 58 together?

• 95

• 90

• 92

• 93

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

What is the sum of 64 and 27?

• 92

• 91

• 93

• 89

Tags

CCSS.2.NBT.B.5

CCSS.1.NBT.C.4

If you add 48 and 24, what number do you get?

• 72

• 74

• 70

• 76

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7

What is the total when 53 is added to 29?

• 83

• 82

• 84

• 80

Tags

CCSS.3.NBT.A.2

CCSS.2.NBT.B.7