Addition Practice within 100

Use base-10 blocks to add 23 and 45.

• 88

• 50

• 68

• 67

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Use regrouping to add 17 and 38.

• 45

• 73

• 25

• 55

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Use base-10 blocks to add 12 and 34.

• 42

• 56

• 26

• 46

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Use regrouping to add 25 and 47.

• 62

• 82

• 32

• 72

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Use base-10 blocks to add 19 and 26.

• 35

• 45

• 51

• 315

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Use regrouping to add 31 and 52.

• 83

• 73

• 63

• 93

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Use base-10 blocks to add 14 and 37.

• 51

• 41

• 61

• 21

Tags

CCSS.2.OA.A.1

Use regrouping to add 28 and 59.

• 105

• 63

• 77

• 87

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5

Use base-10 blocks to add 16 and 28.

• 12

• 44

• 32

• 40

Tags

CCSS.2.OA.A.1

Use regrouping to add 33 and 46.

• 80

• 79

• 77

• 85

Tags

CCSS.1.NBT.C.4

CCSS.2.NBT.B.5