Semester Exam Day 1 Review Rational Numbers (Math 7H)

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

What is the sum of -43.7 and 9.06?

Back

-34.64

Tags

CCSS.7.NS.A.1C

Front

What is the product of two negative numbers, such as -8.6 and -0.07?

Back

The product is positive, so (-8.6)(-0.07) = 0.602.

Tags

CCSS.7.NS.A.2A

Front

Evaluate the expression: 8 + 5 - 3.

Back

10

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Front

What is the result of dividing -3/4 by 1/2?

Back

-3/2

Tags

CCSS.7.NS.A.2B

Front

How do you add fractions with different denominators, such as 3/4 and 2/5?

Back

Find a common denominator, which is 20. Then, convert: 3/4 = 15/20 and 2/5 = 8/20. Add them to get 23/20.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the rule for multiplying two negative numbers?

Back

The product of two negative numbers is positive.

Tags

CCSS.7.NS.A.2A

Front

What is the rule for dividing a negative number by a positive number?

Back

The result is negative.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

What is the first step in simplifying the expression 3/4 + 2/5?

Back

Find a common denominator.

Tags

CCSS.7.NS.A.1C

Front

Back

Tags

CCSS.7.NS.A.2B