1st Semester Final Review

Front

What is the expression for the distance a seahorse dives at a rate of 18 inches per second for 10 seconds?

Back

The expression is -18(10), representing the distance as negative since it is diving deeper.

Tags

CCSS.HSF.LE.B.5

Front

If Cesar has $7.00 and each pack of gum costs $0.79, how many packs can he buy?

Back

Cesar can buy 8 packs of gum.

Tags

CCSS.7.EE.B.3

Front

What is the expression to calculate the total cost of bowling for x hours, given $5 for shoes and $2.50 per hour?

Back

The expression is 5 + 2.5x.

Tags

CCSS.HSA-SSE.A.1A

Front

How do you compare the rates of Tate and Janey if Tate ran 12 miles in 2 hours and Janey ran 10 miles in 2.5 hours?

Back

Tate’s rate per hour is greater than Janey’s rate per hour.

Tags

CCSS.6.RP.A.3B

Front

What is the sum of -4.2 + 8.7 + (-3.1)?

Back

The sum is 1.4.

Tags

CCSS.7.NS.A.1C

Front

Define a rate in the context of distance and time.

Back

A rate is a ratio that compares distance to time, often expressed as miles per hour (mph).

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Front

What does it mean to write an expression in mathematics?

Back

Writing an expression means creating a mathematical phrase that represents a quantity or relationship using numbers, variables, and operations.

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Front

How do you calculate the total cost of an item with a fixed cost and a variable cost per unit?

Back

Total cost = Fixed cost + (Variable cost per unit × Number of units).

Front

What is the formula to find the average speed?

Back

Average speed = Total distance / Total time.

Tags

CCSS.6.RP.A.3B

Front

What is the significance of negative numbers in real-world contexts?

Back

Negative numbers can represent values below zero, such as debt, temperature below freezing, or depth below sea level.

Tags

CCSS.6.NS.C.5