7th Grade Lesson 8

Presentation

•

Mathematics

•

7th Grade

•

Hard

•

CCSS

7.NS.A.3, 7.NS.A.2B, 6.NS.C.7C

Standards-aligned

Ms. Voltz

Used 8+ times

FREE Resource

3 Slides • 4 Questions

7th Grade: Lesson 8

Solve Problems with Rational Numbers

Solve using Addition/Subtraction

A sugar water solution freezes at -1.8 degrees Celsius. A saltwater solution freezes at -13.6 degrees Celsius. What is the difference between the freezing temperature of the sugar-water solution and that of the saltwater solution?
Estimate to show that your answer is reasonable.

Solve using Multiplication/Division

Ally, Bobby, and Sarah will share the cost of a cabin rental for a week. Ally agrees to pay 0.3 of the cost. Bobby agrees to pay 0.45 of the cost. Sarah will pay the remaining balance. If the total rental cost is $960, how much will Ally, Bobby, and Sarah each pay towards the week's rent?

Multiple Choice

Which is the best estimate of

-\frac{15}{6}\div\ \left(-\frac{1}{2}\right)?

1/2

-2

Multiple Choice

A scientist measures change in the temperature of a chemical solution. At the start of the experiment, the solution is at a temperature of -14.96 degrees Celsius. The temperature decreases 2.9 degrees Celsius each hour.

What is the temperature of the solution after 3 hours, rounded to the nearest whole degree? Estimate to show your answer is reasonable.

-20 degrees Celsius

-24 degrees Celsius

0 degrees Celsius

None of the above

Multiple Select

What is the best estimate of

-\frac{15}{16}+\left(-\frac{1}{2}\right)?

$-1\ \frac{1}{2}$

$-\frac{3}{2}$

$1\ \frac{1}{2}$

-1.5

Multiple Choice

Beth plays a video game in which she starts with 0 points. in round 1, she loses 3.5 points; in round 2, she wins 28.5 points; and in round 3, she loses another 3.5 points. What is her final score?

-18.5

18.5

21.5

35.5

7th Grade: Lesson 8

Solve Problems with Rational Numbers

Show answer

Auto Play

Slide 1 / 7

SLIDE

Similar Resources on Wayground

7 questions

Parallel Lines Cut by A Transversal Lecture

Presentation

•

7th Grade

6 questions

Eureka Grade 7: Module 2 Lesson 23

Presentation

•

7th Grade

6 questions

Mean, Modus, dan Median

Presentation

•

7th Grade

6 questions

Slope From Two Points

Presentation

•

8th Grade

9 questions

Compound probability Independent vs. Dependent

Presentation

•

7th Grade

7 questions

Comparing and Ordering Rational Numbers

Presentation

•

6th - 7th Grade

6 questions

Comparing Probabilities Questions

Presentation

•

7th Grade

8 questions

Netto, Bruto, dan Tara

Presentation

•

7th Grade

Popular Resources on Wayground

24 questions

PBIS-HGMS Day 10

Quiz

•

6th - 8th Grade

10 questions

HCS SCI 03 Summer School Review 3

Quiz

•

3rd Grade

11 questions

Home Scope

Quiz

•

7th - 8th Grade

15 questions

HCS SCI 05 Summer School Assessment 3 Review

Quiz

•

5th Grade

35 questions

Lufkin Road Middle School Student Handbook & Policies Assessment

Quiz

•

7th Grade

18 questions

Geo 11.3 Area of Circles and Sectors

Quiz

•

9th - 11th Grade

Discover more resources for Mathematics

24 questions

PBIS-HGMS Day 10

Quiz

•

6th - 8th Grade

11 questions

Home Scope

Quiz

•

7th - 8th Grade

35 questions

Lufkin Road Middle School Student Handbook & Policies Assessment

Quiz

•

7th Grade