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Sheet 2 — Extension

Counting in steps

Counting to 20

Ages 4-635 minutes7 tasksNumbers & Maths

Name:  

Date:  

What we are learning

Count in twos, fives and tens and spot number patterns.

You will need: Pencil, Number line to 20, Hundred square (optional)

Warm-up

Count in twos to 20 while tapping two fingers each time.

Step helper

+2+5+10−2doublehalf

1Count in twos

Fill in the missing numbers.

  1. 1. 2, 4, __, 8, __, 12
  2. 2. 10, 12, __, 16, __
  3. 3. 20, 18, __, 14, __
  4. 4. 6, 8, __, 12, __

2Fives and tens

Continue each pattern for three more numbers.

  1. 1. 5, 10, 15, …
  2. 2. 10, 20, 30, …
  3. 3. 1, 3, 5, …
  4. 4. 50, 40, 30, …

3Odd or even?

Write O for odd or E for even.

odd or even?
4
7
12
15
20
9
18

4Doubles and halves

Fill in the table.

double ithalf of it
4
6
10
20

5Start in the middle

Carry on counting in the step shown, starting from the number given.

  1. 1. Start at 6, count in 2s: 6, __, __, __
  2. 2. Start at 25, count in 5s: 25, __, __, __
  3. 3. Start at 40, count in 10s: 40, __, __, __

6Practise again

Fill in the missing steps, then say each pattern out loud.

  • I used my number line to check.
  • I said the pattern out loud.

7Explain it & take it home

How do you know if a number is even? Write your idea. At home, count something in twos and write what it was.

A number is even when…

At home I counted in twos…

⭐ Challenge

Count the shoes in your classroom by counting in twos. How many shoes? How many people?

How did I do?

  • I can count in twos.
  • I can count in fives and tens.
  • I can say if a number is odd or even.
  • I can double and halve small numbers.