Number Bonds — Sums with 9 Worksheets for 1st Grade
Find the missing part of pairs that add up to 9. 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.
Worksheet #1
Worksheet #2
Worksheet #3
Worksheet #4
Worksheet #5
Worksheet #6
Worksheet #7
Worksheet #8
Worksheet #9
Worksheet #10
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Worksheet #15
Number Bonds — Sums with 9: what children learn
Just like the sums-with-8 set, this isolates one target total (9) so kids build fast, automatic recall of every pair that makes it, rather than solving it step by step each time.
Number Bonds — Sums with 9: worked example
4 + __ = 9 5
4 and 5 are "bonded" to make 9, since 4 + 5 = 9.
Number Bonds — Sums with 9: a common mistake to watch for
Kids sometimes add the two visible numbers instead of finding the missing part — reading it as "4 and what makes 9?" keeps the goal clear.
Number Bonds — Sums with 9: how to help at home or in class
Use a simple tens frame made from two rows of five squares drawn on paper, with one square left empty. Place counters and have your child say how many are filled and how many are in the other part of nine. Then flip the picture and find the other part. Ask your child to notice that every pair has one even and one odd part. Once the pairs are quick, work toward the pairs for ten.
What is on these Number Bonds — Sums with 9 worksheets
This set has 15 different worksheets for 1st grade, with 9 questions on each and a matching answer key for every sheet. The instruction printed on each worksheet is: “Write the missing part in the empty circle.”
Every answer on every sheet is checked by a separate program before the worksheet is published. How we check answers