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Grade 2 · Maths · Lessons
Twos: pairs, odd and even
👟a pair🧤gloves2️⃣twos🤝partners
Pairs.
The big ideaMake pairs. None left over is even, one left over is odd.

How it works

Put things in pairs. If none are left over, the number is even. If one is left over, it is odd.

Even numbers end in 0, 2, 4, 6 or 8. Odd ones end in 1, 3, 5, 7 or 9.

An even number splits into two equal parts.

2 × 3 = 6
6 splits into two groups of 3.

Example 1: Split into two

  1. 6 = ? + ?
  2. Make two equal groups.
  3. Each group is half.
  4. So the answer is 3, 3.

Example 2: Share into twos

  1. 16 ÷ 2 = ?
  2. Put things into groups of two.
  3. Count how many groups there are.
  4. So the answer is 8.

Example 3: Split two

  1. 2 = ? + ?
  2. Make two equal groups.
  3. Two splits into 1 and 1.
  4. So the answer is 1, 1.

Words to know

even
Can be split into pairs with none left over.
odd
Has one left over when put in pairs.

Watch out

Try it

  1. 5 × 2 = ?
  2. 2 × 5 = ?
  3. 6 = ? + ?
Answers: 1. 10 · 2. 10 · 3. 3, 3
For grown-upsPair up socks, shoes or gloves and ask whether there is one left over.
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