Counting by 8s and 9s Worksheets for 3rd Grade
Fill in the missing number when counting up by 8s or by 9s. 15 free printable worksheets, each with an answer key.
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Click a worksheet to open the PDF, or grab the matching answer key. Every sheet prints on one page.
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Counting by 8s and 9s: what children learn
Counting by 8s and 9s prepares children for the hardest facts in the times tables. Finding the jump from two known numbers keeps the work about the pattern, not about guessing.
Counting by 8s and 9s: worked example
27, 36, __, 54, 63 45
The jump is 9 each time. 36 + 9 = 45, and 45 + 9 = 54.
Counting by 8s and 9s: a common mistake to watch for
Kids often add 10 and then forget to take away 1 when counting by 9s.
Counting by 8s and 9s: how to help at home or in class
Shade a hundred chart. Counting by 9s makes a staircase that moves down one row and left one column each time, because 9 is one less than 10. Counting by 8s moves down one row and left two columns. Colour one pattern in each colour and ask your child to predict where the next shaded square will land before checking. When predictions are right, move on to naming a pattern rule.
What is on these Counting by 8s and 9s worksheets
This set has 15 different worksheets for 3rd grade, with 16 questions on each and a matching answer key for every sheet. The instruction printed on each worksheet is: “Find the pattern and write the missing number.”
Example questions like the ones on these worksheets, with their answers:
- 920, 928, __, 944, 952936
- 948, 957, 966, __, 984975
- 61, 70, 79, __, 9788
- 512, 520, 528, __, 544536
- 473, 481, 489, __, 505497
- 135, 144, __, 162, 171153
- 592, 600, 608, __, 624616
- 882, 891, 900, __, 918909
Every answer on every sheet is checked by a separate program before the worksheet is published. How we check answers