Using skip counting to multiply

13 May 2014

WALT: use skip counting to multiply.

Find the answers to these.  Show how you do each one.  write a multiplication number sentence for each.

1. There were 3 cages of kittens.

Each cage had 5 kittens.

How many kittens was this altogether?

Skip count: 5, 10, 15

3 x 5 = 15

There were 15 kittens.

2. There were 3  large cages of mice.

Each cage had 10 mice.

How many mice were there altogether?

Skip count: 10,20,30

Multiply: 3x10=30

          There were 30 mice.✔

3. There were 7 cages of baby rabbits.

Each cage had 5 baby rabbits.

How many baby rabbits were there altogether?6

         Skip count:5,10,15,20,25,30,35

         Multiply: 7x5=35

        There were 35 baby rabbits.   ✔                   

4. 2 cages of 5 cats.

        Skip count:5,10

        Multiply: 2x5=10

        There were 10 cats.✔

5. 2 cages of 10 mice.

          

         Skip count:10,20

        Multiply: 2x10=20

        There were 20 mice.✔

6 6 cages of 5 rabbits.

         Skip count:5,10,15,20,25,30

         Multiply: 6x5=30

          There were 30 rabbits.✔

7. 7 cages of 10 birds

        Skip count:10,20,30,40,50,60,70

        Multiply: 7x10=70

        There were 70 birds.✔

8. 9 cages of 2 puppies.

        Skip count:2,4,6,8,10,12,14,16,18

        Multiply: 9x2=18

        There were 18 puppies.✔

9. 8 cages of 2 kittens

Skip count:2,4,6,8,10,12,14,16

Multiply: 8x2=16

          There were 16 kittens✔

10.   4 cages of 10 lizards

         Skip count:10,20,30,40

Multiply: 4x10=40

          There were 40 lizards.✔   Well Done! Mele.