Add Tens on an Open Number Line

Use the open number line on your paper to find the sum. 30 + 10 = ____

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Use the open number line on your paper to find the sum. 55 + 30 = ____

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Use the open number line on your paper to find the sum. 23 + 20 = ____

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Use the open number line on your paper to find the sum. 46 + 40 = ____

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Matt found 55 + 28 using the open number line. Is his work correct? Type yes or no

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Sam has 38 golf balls. He gets 20 more golf balls. How many golf balls does Sam have now?

Tags

CCSS.2.NBT.B.6

Do number 9 on your paper. Write done here.

Tags

CCSS.1.OA.A.1

What is the missing number in the equation 28 + ___ = 78?

Tags

CCSS.1.OA.D.8

Which equation does the open number line show on number 11?

• 12 + 20 = 32

• 12 + 30 = 42

• 12 + 40 = 52

• 12 + 50 = 62

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6