Topics
1. Rational Numbers
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United States of AmericaVirginia
Grade 7

1.02 Add and subtract rational numbers

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Find the value of $-7+9.1$−7+9.1.

Easy
< 1min

Find the value of $4-6.1$4−6.1.

Easy
< 1min

Find $-6\cdot0.8$−6·0.8, giving your answer as a decimal.

Easy
< 1min

Find the value of $-2+1.9+7.3$−2+1.9+7.3.

Medium
< 1min
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Outcomes

7.CE.1

The student will estimate, solve, and justify solutions to multistep contextual problems involving operations with rational numbers.

7.CE.1a

Estimate, solve, and justify solutions to contextual problems involving addition, subtraction, multiplication, and division with rational numbers expressed as integers, fractions (proper or improper), mixed numbers, and decimals. Fractions may be positive or negative. Decimals may be positive or negative and are limited to the thousandths place.

7.PFA.2

The student will simplify numerical expressions, simplify and generate equivalent algebraic expressions in one variable, and evaluate algebraic expressions for given replacement values of the variables.

7.PFA.2a

Use the order of operations and apply the properties of real numbers to simplify numerical expressions. Exponents are limited to 1, 2, 3, or 4 and bases are limited to positive integers. Expressions should not include braces { } but may include brackets [ ] and absolute value bars | |. Square roots are limited to perfect squares.*

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