Add, subtract, multiply, and divide rational numbers
Authored by Kristina Aldridge
Mathematics
7th Grade
CCSS covered
Used 214+ times
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About
This quiz focuses on operations with rational numbers, covering addition, subtraction, multiplication, and division of positive and negative integers, fractions, and decimals. The content is designed for 7th grade mathematics, as it requires students to apply foundational understanding of rational number operations with increasing complexity. Students need to master several core concepts to succeed: the rules for combining numbers with like and unlike signs, proper fraction operations including finding common denominators and simplifying results, decimal place value and alignment during operations, and the fundamental sign rules for multiplication and division (same signs yield positive products/quotients, different signs yield negative results). The quiz also assesses conceptual understanding through questions about when to add versus subtract when working with different signs, demonstrating that students must understand the underlying mathematical reasoning rather than simply memorizing procedures. Created by Kristina Aldridge, a Mathematics teacher in US who teaches grade 7. This comprehensive assessment serves multiple instructional purposes, functioning effectively as a formative assessment tool to gauge student understanding of rational number operations, as homework practice to reinforce classroom learning, or as a review activity before summative evaluations. Teachers can use this quiz as a warm-up to activate prior knowledge or break it into smaller sections to target specific operations throughout a unit. The variety of question types—from straightforward computation to conceptual understanding of sign rules—allows educators to identify specific areas where students need additional support. This quiz aligns with Common Core Standard 7.NS.A.1, which requires students to apply and extend previous understandings of addition and subtraction to add and subtract rational numbers, and 7.NS.A.2, which focuses on applying and extending previous understandings of multiplication and division to multiply and divide rational numbers.
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25 questions
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1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
8/15 + (-6/15)
Tags
CCSS.7.NS.A.1C
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
-9+ -6.73
2.27
-2.27
15.73
-15.73
Tags
CCSS.7.NS.A.1C
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Add.
-0.94 + -1.65
Tags
CCSS.7.NS.A.1C
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Simplify: (-8.6) + 7.2
-14.9
-1.4
1.4
14.9
Tags
CCSS.7.NS.A.1C
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
When adding decimals with different signs you....
Tags
CCSS.7.NS.A.1C
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
When adding decimals with the same sign you.....
Tags
CCSS.7.NS.A.1C
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
2 - (-2) =
Tags
CCSS.7.NS.A.1C
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