Number Bonds — Sums with 8 Worksheets for 1st Grade
Find the missing part of pairs that add up to 8. 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
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Worksheet #5
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Worksheet #8
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Worksheet #15
Number Bonds — Sums with 8: what children learn
A "number bond" shows how a number splits into two parts — practicing every pair that makes 8 builds instant recall for that one target sum instead of mixing it with others. Each sheet shows part-part-whole bond pictures: 8 on top, one part below, and the child writes the other part in the empty circle.
Number Bonds — Sums with 8: worked example
3 + __ = 8 5
3 and 5 are "bonded" to make 8, since 3 + 5 = 8.
Number Bonds — Sums with 8: a common mistake to watch for
Kids sometimes add the two visible numbers instead of finding the missing part — reading it as "3 and what makes 8?" keeps the goal clear.
Number Bonds — Sums with 8: how to help at home or in class
Line up eight small objects, such as buttons, in a row and slide a paper divider to a new spot each time. Ask how many are on each side, then record the pair on a card. Look for the pattern as one part grows while the other shrinks, and find the one pair that is a double. Hide one side with a hand and ask what is behind it. When your child names the hidden part quickly, move on to the number nine.
What is on these Number Bonds — Sums with 8 worksheets
This set has 15 different worksheets for 1st grade, with 8 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