Exploring Repeated Addition and Multiplication with Arrays

What symbol is used for addition?

• =

• -

• +

• x

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

How many legs do 3 camels have in total?

• 8

• 12

• 20

• 16

What is another name for repeated addition?

• Subtraction

• Division

• Multiplication

• Fraction

What is the multiplication sign?

• +

• x

• -

• /

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

• 2

• 8

• 4

• 6

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

• 6

• 12

• 8

• 10

What is the result of 3 multiplied by 7?

• 21

• 10

• 14

• 28

What does an array help us to do?

• Find the median

• Divide numbers

• Count objects

• Subtract numbers

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

• 20

• 35

• 25

• 30