Adding within 20

Complete the following addition problem: 6+___=10

• 10

• 4

• 7

• 1

True or False: 10+3=13

• True

• False

Which of the following signs is used in an addition problem?

• -

• +

Select the addition problems that are true.

• 10+10=20

• 12+1=15

• 5+5=10

• 10+5=10

12 + 7

• 5
• 17
• 19
• 127

Tags

CCSS.1.OA.C.6

CCSS.2.OA.B.2