Adding and Subtracting Tens

• 60 cents

• 40 cents

• 30 cents

• 20 cents

Tags

CCSS.7.NS.A.1C

• 80

• 30

• 90

• 20

Tags

CCSS.4.OA.C.5

• 10 - 9 = 1

• 10 + 9 = 19

• 10 x 9 = 90

• 10 + 10 = 20

Tags

CCSS.1.OA.A.1

• 60 marbles

• 30 marbles

• 20 marbles

• 10 marbles

Tags

CCSS.2.OA.C.3

• 10 markers

• 20 markers

• 30 markers

• 40 markers

Tags

CCSS.2.OA.A.1

• Moby and Mia

• Grandpop and Becca

• Moby and Becca

• Mia and Grandpop

Tags

CCSS.7.RP.A.2C

• 50 stamps

• 30 stamps

• 20 stamps

• 10 stamps

Tags

CCSS.2.OA.A.1

• 10 + 90 = 100

• 10 + 10 = 100

• 90 + 10 = 10

• 90 - 10 = 80

Tags

CCSS.2.NBT.B.5

• 41

• 51

• 61

• 71

Tags

CCSS.2.NBT.B.6

• 20

• 71

• 81

• 91

Tags

CCSS.2.NBT.B.7