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Multiple Choice

If you have $73.258 and prices are rounded to the nearest dollar, how much can you spend without needing more money?

• $73

• $74

• $75

• $72

Multiple Choice

What is the significance of finding a rational number that is close to a given real number in practical situations?

• It helps in calculations.

• It is not useful at all.

• It makes numbers easier to remember.

• It is only important in theoretical math.

Multiple Choice

Shannon is driving to visit her aunt, who lives 308 miles away. There are about 1.6 kilometers in every mile. About how many kilometers will Shannon travel to get to her aunt's home?

• 184.8

• 192.5

• 309.6

• 492.8

Multiple Choice

10. One ounce is approximately

28.35 grams. If a chocolate bar

weighs 360 grams, find its weight

in ounces to the nearest tenth.

• 28.35 oz

• 12.7 oz

• 2.835oz

• 18 oz

Multiple Choice

Round 555 to the nearest ten.

• 500
• 560
• 550

Multiple Choice

What can we conclude about the relationship between the accuracy of a number and the distance between points on a number line?

• The accuracy increases with distance

• The accuracy decreases with distance

• The accuracy is independent of distance

• The accuracy is only relevant at zero distance

Open Ended

Round to the nearest hundred thousands place. Jamil learned about a fossil that was 748,216 years old. When his teacher asked him about his trip, he said the fossil was about 800,000 years old. Did Jamil round to the hundred thousands place correctly? Why or why not?

Multiple Choice

_{Round 0.376 to the nearest hundredth.}

• 0.4
• 0.476
• 0.38
• 0.380

Multiple Choice

Round 51.048053 to the hundredths place

• 51.05

• 51.04

• 51

• 50

Multiple Choice

Rounding means...

• finding the exact answer.

• always making a number smaller.

• always making a number bigger.

• making a number simpler, but keeping its value closer to what it was.

Multiple Choice

What can be inferred from the points represented on the number line in the image?

• Calculate the lengths of the segments.

• Compare the lengths of two segments.

• Prove that the number can be rounded to the nearest whole number.

Multiple Choice

What can we conclude about the relationship between the distance of points and the accuracy of the number represented?

• The distance increases accuracy

• The distance decreases accuracy

• The distance has no effect on accuracy

• The distance is irrelevant

Multiple Choice

Write 2.6470588 to 2 decimal places

• 2.65
• 2.74
• 2.647
• 2.657

Multiple Choice

Khi thực hiện phép tính: , bạn Châu đã ra kết quả là , bạn Hà ra kết quả là . Không dùng máy tính, theo em bạn nào đã tính sai?

• Bạn Châu

• Bạn Hà

• Cả hai bạn

• Không ai

Multiple Choice

Round to the nearest ten to estimate:

37 x 41

• 40 x 40 = 1600

• 30 x 40= 1200

• 35 x 50 = 1750

Multiple Choice

A museum has 237 works of art on the first floor. The second floor has 349 works of art. The third floor has 219 works of art. About how many works of art in all? (Use greatest place value.)

• 800

• 700

• 750

• 660

Open Ended

Round this number to the nearest ten thousands place. Mariella read that there were 28,504 aquatic animals at a nearby aquarium. She was so excited, she told her abuela there were about 20,000 animals. Did Mariella round to the ten thousands place correctly? Why or why not?

Multiple Select

Part A: Select TWO numbers that, when rounded to the hundredths place will each make the inequality show true.

5.67 < ____

• 5.609

• 5.762

• 5.665

• 5.098

• 5.677

Poll

Bây giờ bạn cảm thấy tự tin thế nào về chủ đề này?

• Rất tự tin
• Có phần tự tin
• Không tự tin

Poll

Bây giờ bạn cảm thấy tự tin thế nào về chủ đề này?

• Rất tự tin
• Có phần tự tin
• Không tự tin