Integer Cross Number, Two Addends
Written by Adi Ackerman, Head Teacher
"Integer Cross Number, Two Addends" 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: fill a cross number grid with sums of integers, one digit per cell, using the first cell for a minus sign. Answer key included. Part of our cross number puzzles collection. Aligned to Common Core standards.
How do I use this worksheet?
Choose by operation. Cross-checks between across and down entries help students spot a wrong answer without a key.
What students will practice
- Students will find sums of integers with different signs.
- Students will write each sum in the grid, one digit in each cell.
- Students will use the first cell of a negative answer for the minus sign.
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.
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FAQ
How do I use this cross number puzzles worksheet?
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Choose by operation. Cross-checks between across and down entries help students spot a wrong answer without a key.
What does this worksheet teach?
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Fill a cross number grid with sums of integers, one digit per cell, using the first cell for a minus sign. The directions on the page read: Find each sum. Write it in the grid going across or down, with one digit in each cell. A negative sum uses the first cell of its entry for the minus sign. An answer key is included.
Can I use this cross number puzzles 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 is a cross number puzzle?
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It works like a crossword, but each clue is a math problem and the answer goes in the grid one digit per cell.
How are negative answers written?
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A negative answer uses the first cell of its entry for the minus sign, or a shaded box beside the clue.
Do they have answer keys?
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Yes, all 7 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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