Unit 1 review

What is the value of the digit in the tenths place?

3.78

• 7.0

• .7

• .07

• seven hundredths

Which digit is in the ten millions place?

382,094,351

• 5

• 1

• 8

• 3

What is 45,376 rounded to the nearest thousands?

Answer explanation

It is 45,000 because the 3 in the hundreds place tells me to round down. When I round down, I do not change the rounding digit which is the 5 in this number. Everything after the rounding digit (5) becomes a zero.

Which shows the expanded form of 17.59?

• 17+5+9

• 17+.5+.9

• 10+7+.5+.09

• 10+.7+.9

If you round 257,406,009 to the nearest ten millions, which digit is the rounding digit?

• 7

• 0

• 6

• 5

Answer explanation

5 is your rounding digit because it is in the ten millions place which is what it asks you to round to.

What is the value of the underlined digit?

3.18

• eight tenths

• eight

• eight hundredths

• eighty hundredths

What is the standard form that matches the following expanded notation?

(10,000,000x6)+(100,000x2)+(10,000x7)+(100x3)+(10x8)+(1x4)

• 60,270,384

• 627,384

• 62,273,840

• 83,072,604

What is the expanded notation for 13.56?

• (1x13)+(.1x5)+(.01x6)

• (10x1)+(1x3)+(.1x5)+(.01x6)

• 10+3+.5+.06

• 13+.5+.6

Which digit has a value that is 10 times the value of the underlined digit?

45,250,655?

• the 5 in the one millions place

• the 5 in the tens place

• the 5 in the ten thousands place

• the 5 in the ones place

Which place value is one tenth the value of the thousands place?

• ten thousands place

• hundreds place

• hundredths place

• tens place