Maths · Grades 1–2
Free odd and even numbers worksheets
Free printable odd and even numbers worksheets for grade 1 and grade 2: colour the even numbers on a grid, sort numbers to 99, and decide if three-digit numbers are odd or even. PDF download.
Colour the even numbers 1 to 50
Colour every even number on a 1 to 50 grid and describe the pattern. Free printable PDF.
Sort odd and even numbers
Twenty numbers up to 99 to sort into odd and even boxes. Free printable PDF.
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Odd or even? Big numbers and patterns
Decide whether three-digit numbers are odd or even using the last digit, then continue odd and even sequences. Free printable PDF.
Odd and even numbers to 100 chart
Colour the odd and even numbers in two colours on a 1 to 100 chart, then answer four questions about the ones digits and the count. Answer key on page 2. Free printable PDF.
Odd or even? Make pairs and share fairly
Circle dots in pairs to decide whether 5 to 16 is odd or even (a leftover dot means odd), then four sharing word problems. Answer key on page 2. Free printable PDF.
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Odd and even is the first classification children learn in maths, and it comes up everywhere afterwards: sharing fairly, skip counting by 2s, the 2 times table, and later divisibility rules. These five worksheets move from seeing the pattern (colouring even numbers on a grid) to using the rule (sorting numbers by their last digit) to applying it to big numbers and sequences.
Two more sheets added
- Odd and even to 100. Colour the odd and even numbers in two colours on a hundred chart, then answer four questions about the ones digits and the count. Answer key on page 2.
- Odd or even? Make pairs. Circle dots in pairs to decide whether 5 to 16 is odd or even (a leftover dot means odd), then four sharing word problems. Answer key on page 2.
What Students Will Practice
- Colouring even numbers on a 1 to 50 grid and noticing the column pattern
- Using the last-digit rule: 0, 2, 4, 6, 8 are even; 1, 3, 5, 7, 9 are odd
- Sorting two-digit numbers into odd and even groups
- Deciding whether three-digit numbers are odd or even without counting
- Continuing sequences of odd numbers and of even numbers
These sheets support Common Core 2.OA.C.3 (determine whether a group of objects has an odd or even number of members) and build the foundation for the divisibility and multiplication work that follows in grade 3.
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Hundreds chart generator1-100, 1-120 or 0-99, blank or missing numbers, skip-count colours, odd/even. Free to print.
Number line generatorAny range and step, fractions and decimals, blank or missing numbers with a key. Free to print.
Math fact worksheet generatorAddition to division drills with an answer key. Free to print.
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Teaching tips and common mistakes
How to Use These Worksheets
Print at 100% on A4 or US Letter paper. A pile of small objects (buttons, blocks) helps with the first sheet: an even number can be paired up with none left over.
- Sheet one: colour the grid. Colour every even number from 1 to 50. When the grid is done, the coloured boxes form stripes down alternate columns. Ask your child what all the coloured numbers have in common; they should notice the last digits.
- Sheet two: sort. Twenty numbers up to 99 go into an odd box or an even box. Say the rule before starting: “only look at the last digit”.
- Sheet three: big numbers and patterns. Three-digit numbers test whether the rule is really understood (472 is even because it ends in 2, no matter what the other digits are). The sequences at the bottom link odd and even to counting on by 2s.
- Pair things up. If a number is even, the objects can be arranged in two equal rows. Try it with 7 buttons and with 8 buttons so the difference is concrete.
- Use the hundreds chart. Our hundreds chart printables make the same stripe pattern visible up to 100.
Common Mistakes to Watch For
- Looking at the first digit: A child calls 21 even because it starts with 2. Underline the last digit together.
- Thinking zero is odd: Numbers ending in 0 are even (10, 20, 30 can all be split in half). Include 0 in the list of even endings every time you say it.
- Confusing odd with “strange”: Explain that in maths odd simply means one left over when you pair up.
- Breaking the pattern in sequences: After 14, 16 a child writes 17. Ask them to add 2 each time, not 1.
Frequently Asked Questions
What grade are odd and even numbers worksheets for?
Odd and even is introduced in first grade and formally assessed in second grade. Sheet one suits first grade; sheets two and three suit second grade and children who are ready for larger numbers.
Is zero odd or even?
Even. Zero can be split into two equal groups of nothing, and it sits in the even pattern 0, 2, 4, 6, 8. Any number ending in 0 is even.
How can I tell if a big number is odd or even?
Look only at the last digit. If it is 0, 2, 4, 6 or 8 the whole number is even; if it is 1, 3, 5, 7 or 9 the whole number is odd. The other digits do not matter.
Do the worksheets include answers?
The last-digit rule makes every answer quick to check without a key. On sheet one, the even numbers form stripes in the columns ending 2, 4, 6, 8 and 0.
More Counting and Number Practice
The stripe pattern continues to 100 on the hundreds chart printables. Even numbers are exactly the answers in the 2 times table worksheets and the “by 2s” rows of the skip counting worksheets. For comparing and ordering numbers see the greater than less than worksheets, and for prime numbers, which are all odd except 2, the prime number worksheets.
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