Rational Numbers Check Point 2.3

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Tags

CCSS.5.NBT.A.2

Front

How do you divide a whole number by a fraction?

Back

To divide a whole number by a fraction, multiply the whole number by the reciprocal of the fraction.

Front

What is the reciprocal of a fraction?

Back

The reciprocal of a fraction is obtained by flipping the numerator and denominator.

Front

If you have 21 feet and want to cut it into pieces of 3/8 feet, which operation do you use?

Back

You use division: 21 ÷ (3/8).

Front

How do you find out how many people can eat a certain amount of pizza if each person eats a fraction of it?

Back

Divide the total amount of pizza by the amount each person eats.

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Front

What is the result of subtracting a negative number from a positive number?

Back

Subtracting a negative number is the same as adding its absolute value.

Tags

CCSS.7.NS.A.1C

Front

How do you calculate total expenses when a fixed amount is deducted monthly?

Back

Multiply the monthly deduction by the number of months.

Tags

CCSS.7.EE.B.3

Front

What is the formula to calculate the cost based on mileage?

Back

Cost = Rate per mile × Number of miles driven.

Tags

CCSS.7.RP.A.2C

Front

How do you convert pounds to hamburgers if each hamburger weighs a fraction of a pound?

Back

Divide the total weight in pounds by the weight of one hamburger.

Tags

CCSS.6.RP.A.3B

Front

What is the importance of understanding fractions in real-life applications?

Back

Fractions help in understanding parts of a whole, which is essential in cooking, budgeting, and measuring.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B