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STANDARDS

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US-VA

Math

Virginia Math

Grade 7: Number and Number Sense

7.NS.1

The student will investigate and describe the concept of exponents for powers of ten and compare and order numbers greater than zero written in scientific notation.

7.NS.1.a

Investigate and describe powers of 10 with negative exponents by examining patterns.
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7.NS.1.b

Represent a power of 10 with a negative exponent in fraction and decimal form.
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7.NS.1.c

Convert between numbers greater than 0 written in scientific notation and decimals.

7.NS.1.d

Compare and order no more than four numbers greater than 0 written in scientific notation. Ordering may be in ascending or descending order.
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7.NS.2

The student will reason and use multiple strategies to compare and order rational numbers.

7.NS.2.a

Use multiple strategies (e.g., benchmarks, number line, equivalency) to compare (using symbols <, >, =) and order (a set of no more than four) rational numbers expressed as integers, fractions (proper or improper), mixed numbers, decimals, and percents. Fractions and mixed numbers may be positive or negative. Decimals may be positive or negative and are limited to the thousandths place. Ordering may be in ascending or descending order. Justify solutions orally, in writing or with a model.
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7.NS.3

The student will recognize and describe the relationship between square roots and perfect squares.

7.NS.3.a

Determine the positive square root of a perfect square from 0 to 400.
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7.NS.3.b

Describe the relationship between square roots and perfect squares.
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