Exploring Operations with Rational Numbers

What does the acronym PEMDAS stand for?

• Product, Exponents, Division, Multiplication, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Product, Exponents, Multiplication, Division, Addition, Subtraction

• Parentheses, Equations, Multiplication, Division, Addition, Subtraction

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the first step in the order of operations?

• Multiplication

• Parentheses

• Addition

• Exponents

Tags

CCSS.3.OA.B.5

How is the distributive property applied to the expression 5(6 + 2)?

• (5 + 6) + 2

• 5 * (6 + 2)

• 5 + 6 * 2

• 5 * 6 + 5 * 2

Tags

CCSS.7.NS.A.2C

What is the result of using the distributive property on the expression -3(4 - 5)?

• -3 * 4 - 3 * 5

• -3 * 4 + 3 * 5

• -12 + 15

• -12 - 15

Tags

CCSS.7.NS.A.1C

What is the correct way to handle negative signs in subtraction?

• Subtract the larger from the smaller

• Add the numbers directly

• Keep, change, opposite

• Ignore the signs

Tags

CCSS.6.NS.A.1

When dividing fractions, what method is used?

• Cross multiplication

• Keep, change, flip

• Subtraction of numerators

• Addition of reciprocals

Tags

CCSS.6.NS.A.1

How do you convert a mixed number to an improper fraction?

• Multiply the whole number by the denominator and add the numerator

• Subtract the numerator from the whole number and multiply by the denominator

• Add the numerator to the denominator and multiply by the whole number

• Divide the numerator by the denominator and add the whole number

Tags

CCSS.7.NS.A.3

In the expression -6.764 / 1.9 + (-5.081), what operation should be performed first?

• Addition

• Subtraction

• Division

• Multiplication

Tags

CCSS.7.NS.A.1D

What is the result of 3 - (-2.5 * 0.25)?

• 3.375

• 2.375

• 2.625

• 3.625

Tags

CCSS.3.NF.A.3C

What is the simplified form of 8/8?

• 0.5

• 8

• 1

• 0

Tags

CCSS.3.NF.A.3C