Pairs of Decimal Sums That Agree
Written by Adi Ackerman, Head Teacher
"Pairs of Decimal Sums That Agree" is written for 7th Grade (Ages 12-13), and it covers Common Core 7.NS.A.1.B. A 6th grader who is already steady on math puzzles can use it too, and an older student can use it as a short review.
7th grade math worksheet: find sums of signed decimals such as (−1.3) + 5.95 and pair each card with the one that has the same sum. Answer key included. Part of our matching games math puzzles collection. Aligned to Common Core standards.
How do I use this worksheet?
Use the line matching pages for quick checks and the loop, domino and grid pages for longer practice. Each match is self-checking because a wrong value breaks the chain or loop.
What students will practice
- Students will find sums of positive and negative decimals.
- Students will find the one other card with the same sum.
- Students will write each card's partner in a table.
Curriculum Links
Common Core State Standards
The Number System · 7th Grade
Standard: Understand p + q as the number located a distance |q| from p, in the positive or negative direction depending on whether q is positive or negative. Show that a number and its opposite have a sum of 0 (are additive inverses). Interpret sums of rational numbers by describing real-world contexts.
View all 7.NS.A.1.B worksheets →Find this in the curriculum
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FAQ
How do I use this matching games worksheet?
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Use the line matching pages for quick checks and the loop, domino and grid pages for longer practice. Each match is self-checking because a wrong value breaks the chain or loop.
What does this worksheet teach?
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Find sums of signed decimals such as (−1.3) + 5.95 and pair each card with the one that has the same sum. The directions on the page read: Find each sum and write it on the line. Every sum matches exactly one other card. Then write each card's partner in the table. An answer key is included.
Can I use this matching games worksheet for homeschool or classroom?
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Yes, both. We made it for 7th grade math puzzles, and it works the same at home or at school. At home, a student can work through it alone and then go over it with you, which shows quickly what is solid and what needs another look. In class it works as independent practice, homework or a warm-up, and you can print one copy or a full set.
What kinds of matching are in these games?
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Line matching, domino chains, quotient triples, cross-off boards, loop cards, fact families and target sum groups.
What number types do they use?
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Integers on most pages, signed decimals on three and signed fractions on three.
Do they have answer keys?
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Yes, all 13 do.
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Worksheet Details
| Grade | 7th Grade |
| Subject | Math |
| Topic | Math Puzzles |
| Standard | 7.NS.A.1.B |
| Pages | 1 page |
| Difficulty | Medium |
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