Grade 2 Module 6 Lesson 4

What is the repeated addition equation for the tape diagram?

• 2 + 2 + 2 + 2 + 2 + 2 = 12

  6 groups of 2 = 12

• 2 + 2 + 2 + 2 + 2 = 10

  5 groups of 2 = 10

• 2 + 2 + 2 = 6

  3 groups of 2 = 6

• 2 + 2 + 2 + 2 = 8

  4 groups of 2 = 8

Tags

CCSS.2.OA.C.4

What is the repeated addition equation for the tape diagram?

• 4 + 4 + 4 + 4 + 4 = 24

  5 groups of 4 = 24

• 4 + 4 + 4 + 4 + 4 = 20

  5 groups of 4 = 20

• 4 + 4 + 4 + 4 = 16

  5 groups of 4 = 16

• 4 + 4 + 4 + 4 + 4 = 18

  5 groups of 4 = 18

Tags

CCSS.2.OA.C.4

What is the repeated addition equation for the tape diagram?

• 5 + 5 = 10

  3 groups of 5 = 10

• 5 + 5 + 5 + 5 = 20

  3 groups of 5 = 20

• 5 + 5 + 5 = 15

  3 groups of 5 = 15

• 4 + 4 + 4 + 4 = 16

  5 groups of 4 = 16

Tags

CCSS.2.OA.C.4

What is the repeated addition equation for the tape diagram?

• 3 + 3 + 3 + 3 + 3 + 3 + 3 = 21

  7 groups of 3 = 21

• 3 + 3 + 3 + 3 + 3 = 15

  5 groups of 3 = 15

• 3 + 3 + 3 + 3 + 3 + 3 = 18

  3 groups of 6 = 18

• 3 + 3 + 3 + 3 + 3 + 3 = 18

  6 groups of 3 = 18

Tags

CCSS.2.OA.C.4

What doubles fact should you use to solve this equation quickly?

3 + 3 + 3 + 3 =

• 6 + 6 = 12

• 8 + 8 = 16

• 4 + 4 = 8

• 7 + 7 = 14

Tags

CCSS.2.OA.C.4

What equation could you use to solve this problem quickly?

4 + 4 + 4 =

• 4 + 4 + 3 = 11

• 4 + 4 + 2 = 10

• 8 + 8 = 16

• 8 + 4 = 12

Tags

CCSS.2.OA.C.4

What equation is being shown?

5 groups of 2

• 2 + 2 + 2 + 2 + 2 = 10

• 5 + 5 = 10

• 5 + 5 + 5 + 5 + 5 = 25

• 2 + 2 + 2 + 2 = 8

Tags

CCSS.2.OA.C.4

What equation is being shown?

4 groups of 4

• 4 + 4 + 4 + 4 + 4 = 20

• 4 + 4 = 8

• 4 + 4 + 4 + 4 = 16

• 4 + 4 + 4 = 12

Tags

CCSS.2.OA.C.3

What repeated addition equation is being shown?

• 4 + 4 + 4 = 12

• 6 + 6 + 6 = 18

• 5 + 5 + 5 = 20

• 5 + 5 + 5 = 15

Tags

CCSS.2.OA.C.4

Which equation shows a quick way to find the total?

Hint! Find doubles!

• 8 + 4 = 12

• 10 + 5 = 15

• 5 + 5 + 5 + 5 = 20

• 4 + 4 + 4 = 12

Tags

CCSS.2.OA.C.4