Counting in 2s, 5s and 10s

For grown-ups: this lesson in words

Years 1 and 2 · Maths

Counting in 2s, 5s and 10s: I can count in 2s, 3s, 5s and 10s.

1. Shoes come in pairs. A pair is 2 shoes.

   Count in 2s: 2, 4, 6, 8, 10.

   5 pairs make 10 shoes.

   Picture: An array of 5 rows of 2 shoes. The rows are counted in 2s: 2, 4, 6, 8 and 10.

2. Your turn: Each row has 2 cupcakes. Count in 2s. How many cupcakes?

   Picture: An array of 4 rows of 2 cupcakes.

   Choose one:

   • 4
   • 6
   • 8

   Answer

   The answer: 8

   2, 4, 6, 8. There are 8 cupcakes.

   Picture: An array of 4 rows of 2 cupcakes. The rows are counted in 2s: 2, 4, 6 and 8.

3. Each row has 5 stars.

   Count in 5s: 5, 10, 15, 20.

   4 rows of 5 make 20 stars.

   Picture: An array of 4 rows of 5 stars. The rows are counted in 5s: 5, 10, 15 and 20.

Words to know

pair:

2 things that go together, like 2 shoes.

count back:

Count down, so the numbers get smaller.