Hauptinhalt
Nebraska Math
Grade 8: NUMBER
Students will solve problems and reason with number concepts using multiple representations, make connections within math and across disciplines, and communicate their ideas.
Determine subsets of numbers as natural, whole, integer, rational, irrational, or real based on the definitions of these sets of numbers.
Represent numbers with positive and negative exponents and in scientific notation.
- Multiply & divide powers (integer exponents)
- 1 and -1 to different powers
- Approximating with powers of 10
- Approximating with powers of 10
- Divide powers
- Exponent properties review
- Exponents with negative fractional bases
- Multiplication and division with powers of ten
- Multiplying & dividing powers (integer exponents)
- Negative exponent intuition
- Negative exponents
- Powers of powers
- Powers of products & quotients
- Scientific notation
- Scientific notation example: 0.0000000003457
- Scientific notation examples
- Scientific notation review
- Scientific notation word problem: red blood cells
Describe the difference between a rational and irrational number.
Approximate, compare, and order real numbers, both rational and irrational, and locate them on the number line.
- Approximating square roots
- Comparing irrational numbers
- Comparing irrational numbers with a calculator
- Comparing irrational numbers with radicals
- Comparing values with calculator
- Converting a fraction to a repeating decimal
- Converting multi-digit repeating decimals to fractions
- Converting repeating decimals to fractions
- Converting repeating decimals to fractions (part 1 of 2)
- Converting repeating decimals to fractions (part 2 of 2)
- Writing fractions as repeating decimals
- Writing fractions as repeating decimals review
- Writing repeating decimals as fractions review
Evaluate the square roots of perfect squares less than or equal to 400 and cube roots of perfect cubes less than or equal to 125.
Simplify numerical expressions involving integer exponents, square roots, and cube roots (e.g., 4-2 is the same as 1/16).
- Multiply & divide powers (integer exponents)
- 1 and -1 to different powers
- Divide powers
- Even & odd numbers of negatives
- Exponent properties review
- Exponent properties with products
- Exponent properties with quotients
- Exponents with integer bases
- Exponents with negative bases
- Exponents with negative fractional bases
- Multiplication and division with powers of ten
- Multiply powers
- Multiplying & dividing powers (integer exponents)
- Negative exponents
- Negative exponents
- Negative exponents review
- Powers of powers
- Powers of products & quotients
- Powers of products & quotients (integer exponents)
- Powers of products & quotients (integer exponents)
- Powers of zero
- Signs of expressions challenge
- The 0 & 1st power
Evaluate numerical expressions involving absolute value.
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Multiply and divide numbers using scientific notation.
- Multiplication and division with powers of ten
- Multiplying & dividing in scientific notation
- Multiplying & dividing in scientific notation
- Multiplying multiples of powers of 10
- Multiplying three numbers in scientific notation
- Scientific notation word problem: red blood cells
- Scientific notation word problem: speed of light
- Scientific notation word problem: U.S. national debt
- Scientific notation word problems
- Simplifying in scientific notation challenge