Rounding to the Nearest Ten and Hundred

Look at the two groups of numbers. Which statement about the numbers in these groups is true?

• When rounding to the nearest ten, all numbers in Group X round to 50.

• When rounding to the nearest hundred, all numbers in Group Y round to 400.

• When rounding to the nearest hundred, all numbers in Group X round to 100.

Mohammed says 753 rounds to 800. Yousef says 753 rounds to 750. Who is correct?

• Mohammed

• Yousef

• Both of them are right, it depends on whether you are rounding to the nearest ten or hundred.

• Niether of them are right

Stella and Dixie picked 74 sunflowers. How much did they pick? Round to the nearest ten and hundred. You may choose more than one correct answer!

• 70

• 80

• 100

Label the missing numbers in the chart!

f

h

i

e

d

600

640

650

630

500

620

610

800

700

With your partner, round these numbers.

Redondea estos numeros.

• 20

• 178

• 180

• 1,978

• 200

• 18

• 2,000

• 194

Gloria writes a number that, when rounded to the nearest ten is 240. What is the least possible number that Gloria writes?

• 200

• 235

• 240

• 230

Match the following:

Round the numbers!

• 40

• 43

• 700

• 743

• 1000

• 984

• 600

• 795

• 800

• 631

Which number is the greatest?

• 32 rounded to the nearest ten

• 64 rounded to the nearest hundred

• 86 rounded to the nearest ten

• 48 rounded to the nearest hundred

Round 278,391 to the nearest ten.

Mathematical Equivalence

ON

John says 359 rounds to 360.  Alexis says 359 rounds to 400.  Who is correct?

• John

• Alexis

• Both of them are right, it depends on whether you are rounding to the nearest ten or hundred

• Niether of them are right