Math Review

Rounding

100

Round 51 to the nearest 10

50

200

Round 29 to the nearest 10

30

300

Round 132 to the nearest ten

130

400

Round 109 to the nearest ten

110

500

Round 888 to the nearest ten

890

Place Value

100

thousands, hundreds, _________ , ones.

Which value is missing?

Tens

200

ten thousand, _________, hundreds, tens, ones

Which value is missing?

Thousands

300

__________, thousands, hundreds, tens, ones

Which value is missing?

Ten thousands

400

_______________, ten thousands, thousands, hundreds, tens, ones

Which value is missing?

Hundred thousands

500

___________, hundred thousands, ten thousands, thousands, hundreds, tens, ones

Millions

Decimals

100

Round 9.9 to the nearest whole number

10

200

Round 100.9 to the nearest whole number 

101

300

Round 20.6 to the nearest whole number

21

400

Round 9.5 to the nearest whole number

10

500

Round 5.5 to the nearest whole number

6

Expanded Form

100

100+20+6 is the expanded form. What is the standard form of this number?

126

200

1000+200+50+5 is the expanded form. What is the standard form of this number?

1255

300

90,000+200+50+5 is the expanded form of this number. What is the standard form of this number?

90,255

400

100,000+10,000+1,000+100+10+1 is the expanded form for this number. What is the expanded form of this number?

111,111

500

1,000,000+50 is the expanded form of this number. What is the standard form for this number?

1,000,050

Ordering Numbers

100

What is the largest number you can create with the following numbers 4,8,5,9.

9854

200

Is 6500>3500?

Yes

300

Is 3500<6500?

Yes

400

What is the largest number you can make with the following numbers 6,0,4,5,6?

66,540

500

Is 9,999>10,000?

No