Repeated Addition
Write a repeated addition number sentence
Example:
3 + 3 + 3
2, 4, 6, ______, 10, 12
What is the missing number?
8
2 girls collected shells at the beach. They each collected 4 shells.
How many shells did they collect altogether?
2 x 4 = 8
4 + 4 = 2
Draw 3 equal groups of 2
OO OO OO
What strategies can we use to work out a multiplication question?
What is the repeated addition for 2x 3?
2 + 2 + 2 = 6
3, 6, 9, ______, 15, 18
What is the missing number?
12
3, 6, 9, 12, 15, 18
3 astronauts collected moon rocks in space. They each collected 2 moon rocks.
How many moon rocks did they collect altogether?
3 x 2 = 6
OR
2 + 2 + 2 = 6
We had 3 pizzas for dinner. Each pizza had 4 pieces of pepperoni.
Write the multiplication number sentence
3 x 4
What is the missing number
2, ______, 6, 8, _______, 12, 14
4 and 10
2, 4, 6, 8, 10, 12, 14
What is the repeated addition for 3 x 4?
3 + 3 + 3 + 3 = 12
5, 10, 15, _______, 25, 30
what is the missing number?
20
5, 10, 15, 20, 25, 30
I have 5 pet chickens. Each chicken lays 3 eggs. How many eggs do I have altogether?
5 x 3 = 15
5 + 5 + 5 = 15
We had 4 pizzas for dinner. Each pizza had 3 pieces of pepperoni.
Use repeated addition to find out the total pieces of pepperoni.
3 + 3 + 3 + 3 =12
What is the missing number?
3, _____, 9, 12, ________, 18, 21
6 and 15
3, 6 ,9 ,12, 15 ,18, 21
What is the repeated addition for 3x5?
5 + 5 + 5 = 15
3, 6, ________, 12, 15, ________, 21, 24
What are the 2 missing number?
9 and 18
3, 6, 9, 12, 15, 18, 21, 24
I have 3 strawberries. Each strawberry has 6 seeds.
How many seeds do I have altogether?
3 x 6 =18
6 + 6 + 6 = 18
Draw 3 equal groups of 5
OOOOO OOOOO OOOOO
What does repeated addition mean?
We add the same numbers again and again.
Write the multiplication number sentence for:
5 + 5 + 5 + 5
5 x 4
or 4 x5
What are the missing numbers?
5, 10, 15, _______, 25, 30, ________, 40
20 and 35
5, 10, 15, 20, 25, 30, 35, 40
I have 3 watermelons. Each strawberry has 10 seeds.
How many seeds do I have altogether?
3 x 10 = 30
10 + 10 + 10
Draw 3 equal groups of 4
OOOO OOOO OOOO
Can you give an example of skip counting?
For example:
2, 4, 6, 8, 10 answer varies