Rounding Introduction - Multiples of 10 and 100

Which of these numbers is a ten?

Choose all the tens from the choices below.

• 20

• 40

• 12

• 75

Which of these numbers is a ten?

Choose the tens from the choices below.

• 90

• 16

• 100

• 140

Which of these numbers are hundreds?

Choose all the hundreds from the choices below.

• 110

• 500

• 200

• 490

Which of these numbers are tens?

Choose all the numbers that are tens below.

• 420

• 550

• 621

• 239

Which of the following numbers are hundreds?

Choose all the hundreds from the numbers below.

• 200

• 1,332

• 789

• 4,500

Which of the following numbers are tens?

Choose all the tens numbers from below.

• 10

• 59

• 130

• 270

What two multiples of 10 is the number 147 between?

Choose both multiples of ten.

• 100

• 140

• 150

• 200

What two multiples of 10 is 342 between?

Choose both multiples of ten.

• 340

• 345

• 350

• 360

What did the mathematicians decide we should do when the number is exactly on the midpoint?

• Round up

• Round down

• Don't round

• Panic!

What two multiples of 100 does 459 fall between?

Choose both of the multiples of 100.

• 300

• 400

• 500

• 600