Counting in 2s, 3s, and 5s: Odd and Even
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Grade 1 Math · Teaching handout
Counting in 2s, 3s, and 5s: Odd and Even
Teaches that counting in 2s from an odd number gives odd numbers, that counting in 3s goes odd, even, odd, even, and that counting in 2s and in 5s both say the tens.
Print handout
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Print the answer key for Try it together
- Grades
- Grade 1
- Pages
- 1
- Time
- About 15 minutes
- Answer key
- Included, for Try it together
- Printing
- Tinted accents, also fine in black and white
What is on a handout
- The big idea: the rule, in a few short sentences.
- Watch me: worked examples, each with why it changes as it does.
- Watch out: the mistakes children often make, struck through beside the right answer.
- Try it together: a few items or problems to do as a class, with an answer key.
- On your own: the practice sheet that comes next.
How to teach with it
- On a hundred chart, circle the numbers you say counting in 2s and put a cross on those you say counting in 5s. The squares with a circle and a cross are the tens.
- Read the big idea aloud, then work through Watch me together, saying why each one changes.
- Ask the class to find the mistake in each Watch out before you show the answer.
- Do Try it together as a class, check it with the answer key, then hand out the practice sheet.
Practice worksheets
After the handout, in this order: the main practice sheet first, then more practice, then quick checks.
