7th Grade Math Unit 1 Review Challenge

This video is the final part of a unit review focusing on problem-solving with integers, decimals, and fractions. It covers addition, subtraction, multiplication, and division in various contexts, using number lines and t-charts for visualization. The video also addresses multi-step problems, the order of operations (PEMDAS), and converting rational numbers to decimals, distinguishing between terminating and repeating decimals.

What is the change in temperature from -5 degrees to -2 degrees?

• +3 degrees

• -3 degrees

• -5 degrees

• +5 degrees

How much did the hiker descend from 35 feet above to 25 feet below sea level?

• 25 feet

• 10 feet

• 50 feet

• 60 feet

After diving down 25 feet and rising 5 feet, where is the submarine relative to sea level?

• 20 feet

• 30 feet

• -20 feet

• -30 feet

Does Priscilla have enough to pay back her parents after receiving money?

• Yes, exactly $40

• No, she is short by $40

• Yes, with $3 left

• No, she is short by $3

In a game, if Eric's total score is -4 and Mina's is -1, who wins if the lower score wins?

• Mina

• Eric

• Neither, as negative scores are invalid

• It's a tie

What is the result of -24 + (-12) according to PEMDAS?

• 36

• 12

• -12

• -36

What is the result when dividing a positive number by a negative number?

• A negative number

• A positive number

• Zero

• Undefined

What type of decimal is 0.8?

• Terminating

• Repeating

• Irrational

• Non-terminating

What is the decimal representation of a fraction that repeats indefinitely?

• Non-repeating decimal

• Irrational decimal

• Terminating decimal

• Repeating decimal

If a fraction converts to 1.75 as a decimal, what type of decimal is it?

• Non-terminating

• Terminating

• Repeating

• Irrational