Adding Using a Number Line

What is the sum of these two numbers?

• 80

• 85

• 45

• 87

Tags

CCSS.2.OA.A.1

Which addition strategy would be best for solving this problem?
14 + 2 = _____

• Number Line Addition

• Base 10 Blocks

• Place Value Mat

• Start at 14 and count on 2

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2

What numbers do the jumps and hops represent?

• 23

• 71

• 48

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Did this person solve the problem correctly?

• False

• True

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Did this person solve 48 + 23 correctly?

• True

• False

Tags

CCSS.2.NBT.B.6

• 6,7,8

• 4,5,6

• 8,9,10

Tags

CCSS.2.MD.B.6

• 5,6

• 5,7

• 3,5

• 6,8

Tags

CCSS.3.OA.D.9

• 7,19,25

• 6,12,18

• 5,10,12

Tags

CCSS.4.OA.C.5

• 16,18

• 18,20

Tags

CCSS.5.OA.B.3