Exploring Arrays with Addition

What is an array?

• a ray

• a line

• a circle

• a group of objects in rows and columns

Tags

CCSS.3.OA.A.1

Which repeated addition equation matches this array?

• 5 + 5 + 5 + 5 = 15

• 3 + 3 + 3 + 3 + 3 = 15

• 4 + 4 + 4 + 4 = 12

• 3 + 3 + 3 + 3 = 12

Tags

CCSS.2.OA.C.4

Select the correct repeated addition equation that matches the array.

• 2+2+2+2=8

• 3+3+3+3+3=15

• 5+5+5+5+5=25

• 4+4+4+4+4=20

Tags

CCSS.2.OA.C.4

Which repeated addition sentence shows 4 rows of 3 ducks?

• 4 + 4 + 4 + 4

• 4 + 3

• 3 + 3 + 3 + 3

• 4 + 3 + 4 + 3

Tags

CCSS.2.OA.C.4

How many total?

• 12

• 18

• 24

• 21

Tags

CCSS.1.NBT.A.1

What is the repeated addition sentence for these *__ROWS__*?

• 5 + 4 = 9

• 3 + 3 + 3 = 9

• 6 + 3 = 9

• 1 + 8 = 9

Tags

CCSS.2.OA.C.4

Select the correct number model with the rectangular array

• 2+2+2+2=8

• 3+3+3+3+3=15

• 5+5+5+5+5=25

• 4+4+4+4+4=20

Tags

CCSS.2.OA.C.4

What is this array in repeated addition?

• 5 + 5 + 5

• 3 + 3 + 3 + 3 + 3

• Both are correct.

Tags

CCSS.2.OA.C.4

Choose the equation that matches the repeated addition equation.

• 3+ 3 + 3 + 3

• 5 + 3

• 3 + 3 + 3 + 3 + 3

• 3 + 3 + 3

Tags

CCSS.2.OA.C.4

Select the correct repeated addition equation that matches the array.

• 4+4+4+4=16

• 2+2+2+2=8

• 2+2=4

• 4+4=8

Tags

CCSS.2.OA.C.4