Grade 3 Unit 1 Pre-test

When rounding a number to the nearest 10, how do you know when to round up to the greater ten? Explain your answer

• I don't know

• If the number is greater than 1 you round up to the greater ten.

• If the number in the ones place is five or greater, you round the number up to the greater ten.

• You always round down to the lower ten

• You always round up to the greater ten.

Round the number to the nearest 10:

112

• 100

• 120

• 110

• 200

• I don't know

Round the number to the nearest ten:

85

• 80

• 90

• 100

• 50

• I don't know

Round this number to the nearest 10:

189

• 100

• 180

• 190

• 200

• I don't know

Round the number to the nearest 100:

112

• 100

• 120

• 110

• 200

• I don't know

Round the number to the nearest 100:

85

• 80

• 90

• 100

• 50

• I don't know

Round this number to the nearest 100:

189

• 100

• 180

• 190

• 200

• I don't know

There are 293 steps to the top of the Leaning Tower of Pisa in Italy. To the nearest hundred, about how many steps are there?

• 200

• 300

• 290

• 250

• I don't know

Which of the following numbers will NOT round to 400 when rounding to the nearest hundred?

• 409

• 445

• 345

• 398

• I don't know

Which number rounds to 150 when rounded to the nearest ten; and this same number will also round to 100 when rounded to the nearest hundred

• 144

• 149

• 158

• 160

• I don't know