Adding Using a Number Line

What is the sum of these two numbers?

• 80

• 85

• 45

• 87

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

What numbers do the jumps and hops represent?

• 23

• 71

• 48

Did this person solve the problem correctly?

• False

• True

Did this person solve 48 + 23 correctly?

• True

• False

• 6,7,8

• 4,5,6

• 8,9,10

• 5,6

• 5,7

• 3,5

• 6,8

• 7,19,25

• 6,12,18

• 5,10,12

• 16,18

• 18,20