Mathematical Problem Solving Skills

This video tutorial covers Unit 5, Lesson 14, focusing on using operations on decimals to solve various problems. It includes practical examples such as calculating the remaining ribbon after cutting pieces, estimating the area of the Amazon rainforest, determining if a student can achieve an A in math class, and solving problems involving differences and quotients in decimal numbers. The tutorial emphasizes understanding and applying decimal operations in real-world contexts.

How many meters of ribbon did Diego have left after cutting pieces for presents?

• 12 meters

• 3.6 meters

• 4.2 meters

• 8.4 meters

How many wreaths could Diego make with the remaining ribbon?

• 10

• 12

• 14

• 16

What was the approximate area of the Amazon rainforest in 2014?

• 5.4 million km²

• 4 million km²

• 3 million km²

• 6 million km²

What percentage of the total points does Jada need to have before the final test to get an A?

• 80%

• 85%

• 90%

• 95%

Did Jada have 90% of the total possible points before the final test?

• Exactly

• Yes

• No

• Almost

If Jada scores 92 out of 100 on her final test, will she get an A?

• Yes

• No

• Depends on extra credit

• Maybe

What is the result of 151 thousandths minus 28 thousandths?

• 0.151

• 0.100

• 0.028

• 0.123

Calculate the difference: 0.106 - 0.0315.

• 0.0745

• 0.075

• 0.0735

• 0.076

What is the result of 3.572 - 2.614?

• 0.957

• 0.956

• 0.959

• 0.958

What is 24.2 divided by 1.1?

• 20

• 21

• 22

• 23