Exploring Repeated Addition and Multiplication with Arrays

What symbol is used for addition?

• =

• -

• +

• x

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

How can we simplify a long addition sentence using repeated addition?

• By using a single number

• By dividing the numbers

• By adding in groups

• By subtracting instead

Tags

CCSS.2.OA.C.4

How many legs do 3 camels have in total?

• 8

• 12

• 20

• 16

Tags

CCSS.3.OA.D.8

What is another name for repeated addition?

• Subtraction

• Division

• Multiplication

• Fraction

Tags

CCSS.3.OA.A.1

What is the multiplication sign?

• +

• x

• -

• /

Tags

CCSS.7.EE.B.3

How many groups of 2 are there in 2 + 2 + 2 + 2?

• 2

• 8

• 4

• 6

Tags

CCSS.2.OA.C.3

How many spots are on 4 dice if each has 2 spots?

• 6

• 12

• 8

• 10

Tags

CCSS.2.OA.C.4

What is the result of 3 multiplied by 7?

• 21

• 10

• 14

• 28

Tags

CCSS.3.OA.C.7

What does an array help us to do?

• Find the median

• Divide numbers

• Count objects

• Subtract numbers

Tags

CCSS.3.OA.A.1

How many frogs are there if there are 5 rows of 5 frogs?

• 20

• 35

• 25

• 30

Tags

CCSS.2.OA.C.4