4.2 Multiplication as Repeated Addition

Write an addition and a multiplication sentence for the model.

• 3 + 3 = 6;

  3 × 3 = 6

• 3 + 3 + 3 = 9;

  3 × 3 = 9

• 3 + 3 + 3 = 12;

  3 × 3 = 12

• 3 + 3 + 3 + 3 = 12;

  3 × 3 = 12

Tags

CCSS.2.OA.C.4

Write an addition and a multiplication sentence for the model.

• 2 + 2 = 4;

  2 × 2 = 4

• 5 + 5 = 10;

  5 × 5 = 10

• 5 + 5 = 12;

  2 × 5 = 12

• 2 + 2 + 2 + 2 + 2 = 10;

  5 × 2 = 10

Tags

CCSS.2.OA.C.4

Use repeated addition to find 3 × 5.

• 5 + 5 = 8

• 5 + 5 = 10

• 5 + 5 + 5 = 15

• 5 + 5 + 5 = 35

Tags

CCSS.3.OA.A.1

Use repeated addition to find 5 × 4.

• 5 + 5 = 9

• 5 + 5 + 5 = 15

• 5 + 5 + 5 + 5 = 20

• 5 + 5 + 5 + 5 = 54

Tags

CCSS.3.OA.A.1

Use repeated addition to find 2 × 7.

• 7 + 7 = 9

• 7 + 7 = 14

• 7 + 7 + 7 = 21

• 7 + 7 + 7 + 7 =27

Tags

CCSS.3.OA.A.1