Exploring Rational Number Operations

The video is a comprehensive review of math topics covered throughout the year, focusing on rational numbers, their classifications, and operations such as addition, subtraction, multiplication, and division. It includes practical examples and encourages students to practice without calculators. The video also introduces a code phrase for engagement and concludes with a recap of the key concepts.

What is the first word in the code phrase mentioned in the video?

• math

• numbers

• review

• rational

Which of the following is a natural number?

• 0

• 14

• -5

• 1/2

Which set of numbers includes both positive and negative whole numbers?

• Whole Numbers

• Natural Numbers

• Integers

• Rational Numbers

What type of number is 2.7?

• Rational Number

• Natural Number

• Whole Number

• Integer

What is the rule for subtracting fractions?

• Change, Keep, Add

• Subtract, Add, Change

• Add, Subtract, Multiply

• Keep, Change, Change

Tags

CCSS.7.NS.A.1C

What is the result of adding 6 and 8/12 to 1 and 9/12?

• 8 and 5/12

• 7 and 5/12

• 7 and 17/12

• 8 and 17/12

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the simplified form of -5 and 4/10 plus 5/10?

• -5 and 1/10

• -4 and 1/10

• -5 and 9/10

• -4 and 9/10

Tags

CCSS.7.NS.A.1C

When multiplying decimals, how should you align the numbers?

• By the decimal point

• By the whole number

• By the fraction

• By the digits

Tags

CCSS.5.NBT.B.5

What is the result of -60.8 divided by 4?

• -15.2

• 15.2

• -16.2

• 16.2

Tags

CCSS.7.NS.A.2B

What is the final word in the code phrase mentioned in the video?

• math

• review

• favorite

• subject

Tags

CCSS.RI.7.7

CCSS.RI.9-10.7

CCSS.RL.6.7

CCSS.RL.8.7

CCSS.RL.9-10.7