Missing Divisors in Integer Division
Written by Adi Ackerman, Head Teacher
"Missing Divisors in Integer Division" is written for 7th Grade (Ages 12-13), and it covers Common Core 7.NS.A.2.B. A 6th grader who is already steady on integers can use it too, and an older student can use it as a short review.
7th grade math worksheet: find the missing divisor in equations like (-180) / __ = 15 and 252 / __ = -14. Answer key included. Part of our division of integers collection. Aligned to Common Core standards.
How do I use this worksheet?
Start with Divide Integers With Two Digit Divisors and have students check each answer by multiplying. Then assign the missing dividend and divisor sheets, and use Integer Multiplication and Division Sign Rules as a review.
What students will practice
- Students will find the missing divisor when the dividend and quotient are given.
- Students will use the sign of the quotient to decide the sign of the divisor.
- Students will check each answer by dividing the dividend by the divisor they found.
Add Integers on a Number Line, Mixed Signs
Write the Sum Shown by Number Line Arrows
Add Integers by Drawing Two-Color Counters
Model Integer Sums by Canceling Zero Pairs
Missing Integers in Two-Addend Equations
Missing Integers in Three-Addend Equations
Missing Integers on Both Sides of a Sum
Choose the Greater Integer Sum
Curriculum Links
Common Core State Standards
The Number System · 7th Grade
Standard: Understand that integers can be divided, provided that the divisor is not zero, and every quotient of integers (with non-zero divisor) is a rational number. If p and q are integers, then -(p/q) = (-p)/q = p/(-q). Interpret quotients of rational numbers by describing real-world contexts.
View all 7.NS.A.2.B worksheets →Find this in the curriculum
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FAQ
How do I use this division of integers worksheet?
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Start with Divide Integers With Two Digit Divisors and have students check each answer by multiplying. Then assign the missing dividend and divisor sheets, and use Integer Multiplication and Division Sign Rules as a review.
What does this worksheet teach?
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Find the missing divisor in equations like (-180) / __ = 15 and 252 / __ = -14. The directions on the page read: Write the integer in the box that makes each equation true. An answer key is included.
Can I use this division of integers worksheet for homeschool or classroom?
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Yes, both. We made it for 7th grade integers, 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 are the sign rules for dividing integers?
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Two integers with the same sign give a positive quotient, and two with different signs give a negative quotient. Integer Multiplication and Division Sign Rules puts these rules in a table for students to complete.
How do you check a division of integers?
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Multiply the quotient by the divisor and see whether you get the dividend. Divide Integers With Two Digit Divisors asks students to do this for every problem.
How do you find a missing dividend?
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Multiply the quotient by the divisor. If a number divided by (-21) equals -21, the dividend is 441. Missing Dividends in Integer Division practices this.
How do you find a missing divisor?
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Divide the dividend by the quotient. If (-180) divided by a number is 15, the divisor is -12. Missing Divisors in Integer Division gives 14 or more problems like this.
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Add Integers on a Number Line, Mixed Signs
Write the Sum Shown by Number Line Arrows
Add Integers by Drawing Two-Color Counters
Model Integer Sums by Canceling Zero Pairs
Missing Integers in Two-Addend Equations
Missing Integers in Three-Addend Equations
Missing Integers on Both Sides of a Sum
Choose the Greater Integer Sum