Exploring Multiplying and Dividing Rational Numbers

When multiplying a positive and a negative number, what is the sign of the result?

• Undefined

• Positive

• Negative

• Zero

Tags

CCSS.7.NS.A.2B

CCSS.7.NS.A.2A

How should you handle fractions when multiplying them?

• Convert to decimals

• Leave them as they are

• Convert to improper fractions and cross-simplify

• Convert to mixed numbers

Tags

CCSS.5.NF.B.6

What is the result of raising negative three-fifths to the third power?

• -27/125

• 27/125

• -9/25

• 9/25

Tags

CCSS.8.EE.A.1

What is the first step in dividing fractions?

• Subtract the fractions

• Keep the first fraction, change the division to multiplication, and flip the second fraction

• Add the fractions

• Convert to decimals

Tags

CCSS.6.NS.A.1

When dividing decimals, where should the first number be placed?

• It doesn't matter

• On the inside

• In the numerator

• On the outside

Tags

CCSS.6.NS.B.2

CCSS.5.NBT.B.6

How do you handle multiple fractions in a multiplication problem?

• Multiply only the numerators

• Convert them to decimals

• Add them together first

• Multiply them in any order and cross-simplify as needed

Tags

CCSS.7.NS.A.2A

How do you find the mean change in value for a set of numbers?

• Add all the numbers and divide by the total number of values

• Divide the largest number by the smallest

• Multiply all the numbers together

• Subtract the smallest number from the largest

Tags

CCSS.7.EE.B.3

What is the key to solving a word problem involving stock values?

• Focus on the number of stocks

• Focus on the original value

• Focus on the current value

• Focus on the change in value

Tags

CCSS.7.NS.A.1C

If a gas tank is three-fourths full, how do you find the amount needed to fill it?

• Multiply the total capacity by 3/4

• Divide the total capacity by 4

• Subtract 3/4 of the total capacity from the total capacity

• Add 3/4 of the total capacity to the total capacity

Tags

CCSS.7.EE.B.3

What is the volume formula for a rectangular prism?

• Length x Width / Height

• Length x Width x Height

• Length + Width + Height

• Length x Height / Width

Tags

CCSS.7.G.B.6