Rounding and Basic Arithmetic Concepts

This video tutorial covers various mathematical concepts including rounding numbers to the nearest whole number, tenth, and hundredth. It also demonstrates addition and subtraction of decimals, solving story problems involving money, calculating the volume of a box, and comparing rainfall measurements using fractions. The instructor provides step-by-step explanations and encourages students to try solving problems on their own.

What should you do if you get stuck while watching the video tutorial?

• Rewind and watch the section again.

• Skip to the next section.

• Ask a friend for help.

• Pause and try to solve it on your own.

If a number is 9.7, what is it rounded to the nearest whole number?

• 10

• 9

• 11

• 8

Which digit do you look at when rounding 16.4 to the nearest whole number?

• 6

• 4

• 1

• 0

What is 25.3 rounded to the nearest whole number?

• 25

• 27

• 24

• 26

When rounding 16.5 to the nearest tenth, what is the result?

• 17.0

• 16.5

• 16.4

• 16.6

What is 3.07 rounded to the nearest tenth?

• 3.0

• 3.1

• 3.2

• 3.3

How do you round 0.07 to the nearest tenth?

• 0.0

• 0.1

• 0.3

• 0.2

What is 0.351 rounded to the nearest hundredth?

• 0.36

• 0.35

• 0.34

• 0.37

If you have 0.289, what is it rounded to the nearest hundredth?

• 0.31

• 0.30

• 0.29

• 0.28

What is the result of adding 8.3 and 2.8?

• 11.1

• 10.1

• 13.1

• 12.1