Rounding and distributive

Multiple Choice

Which of the following best describes the distributive property in mathematics?

• Breaking one number into parts and multiplying each part separately before adding the results.

• Adding two numbers and then multiplying the sum by another number.

• Multiplying two numbers and then dividing the result.

• Subtracting one number from another before multiplying.

Open Ended

Why do you think rounding numbers is important in everyday life?

Multiple Choice

If I round 32 to the nearest 10 what do I get?

By the way estimate is another way to say round

• 10

• 20

• 30

• 40

Multiple Choice

If I round 132 to the nearest 10 what do I get?

• 30

• 130

Multiple Choice

If I round 12,532 to the nearest ten, what do I get?

• 12,530

• 12,540

Multiple Choice

If I round 2,567 to the nearest 100 what do I get?

Remember to box what you care about, what are you working with?

what digit is the half way mark?

• 2,500

• 2,600

Multiple Choice

what is 99 rounded to the nearest hundred?

• 0

• 100

Multiple Choice

what is 32 rounded to the nearest 100

• 0

• 100

Multiple Choice

I need to purchase new sneakers. The last time I checked they were about 178 dollars. Rounded to the nearest 100, how much money should I bring?

• 100

• 180

• 0

• 200

Multiple Choice

Which number will be 1,200 when rounded to BOTH the nearest 10 and hundred?

• 1,199

• 1,236

• 1,191

• 2,135

Multiple Select

Which of the following are important skills or understandings for rounding numbers, according to the instructional text?

• Using number lines to visualize rounding

• Rounding only after performing all operations

• Generalizing rules for rounding to any place value

• Focusing on place value understanding

Multiple Choice

If you round the number 2,550 to the nearest 1,000, what is the result?

• 2,000

• 2,500

• 3,000

• 2,600

Open Ended

Explain why it is important to use place value understanding when rounding numbers, rather than relying on tricks.

Multiple Choice

According to the benchmark MA.4.NSO.1.4, to which places should students be able to round whole numbers?

• 10, 100, or 1,000

• 1, 10, or 100

• 100, 1,000, or 10,000

• 1,000, 10,000, or 100,000

Multiple Choice

What is the main purpose of rounding numbers?

• To make calculations easier by using approximate values

• To make numbers larger

• To make numbers smaller

• To change the value completely

Multiple Choice

According to the rounding poem, what should you do if the digit to the right is 5 or higher?

• Add one more to the digit you are rounding

• Subtract one from the digit you are rounding

• Leave the digit as it is

• Change all digits to zero

Multiple Choice

What is the first step you should take when rounding a number?

• Find the digit you are rounding to

• Add one to the last digit

• Look at the leftmost digit

• Multiply by ten

Open Ended

Why do we always look to the right when rounding a number?

Multiple Choice

Which digits require you to add one more to the place value when rounding?

• 5, 6, 7, 8, 9

• 0, 1, 2, 3, 4

• 2, 4, 6, 8

• 1, 3, 5, 7, 9

Open Ended

Explain what happens to the place value you are rounding to if the digit to the right is 4 or less.

Multiple Choice

According to the rounding rules, what happens to the numbers in front of the place value you are rounding to?

• They stay the same

• They increase by one

• They become zero

• They decrease by one

Multiple Choice

What do you do to the numbers behind the place value you are rounding to?

• Change them to zero

• Leave them the same

• Increase them by one

• Subtract one from them

Multiple Choice

What is the result when you round 323 to the nearest hundred?

• 300

• 320

• 400

• 350

Open Ended

Explain the pattern you notice when rounding 168,356 to the nearest ten, hundred, and thousand.

Open Ended

Explain the strategy you would use to round 821,738 to the nearest ten, hundred, thousand, and ten thousand. What patterns do you notice?

Multiple Select

Select all numbers that round to 1,000 when rounded to the nearest thousand.

• 1,499

• 1,500

• 1,750

• 999

Multiple Choice

Which of the following numbers is 5,686 rounded to the nearest thousand?

• 5,600

• 5,000

• 5,700

• 6,000

Open Ended

How can the distributive property help you solve multiplication problems more easily?

Open Ended

What is one thing you learned about rounding today that you did not know before?