Unit 1 Math Review

Place Value

100

write 3,440,008 in expanded form

3,000,000+400,000+40,000+8

200

Write two million, three hundred twenty two thousand, five hundred and eight in standard form.

2,322,508

300

Write 400,000+30,000+2,000+300+80+9 in written form 

four hundred thirty two thousand, three hundred, eighty nine. 

400

9,872,654

What place is the nine in?

Millions Place

500

6,342,987

What place is the four in?

ten thousands 

Powers of 10

100

How many tens are in 200?

20

200

5,345,098

The 5 in the millions place is _____ times bigger than the 5 in the thousands place. 

A. 10

B. 100

C. 1,000

D. 10,000

C- 1,000

300

How many tens are in 130?

13

400

3,546,345

The value of the 4 in the ten thousands place is _____ times bigger than the value of the 4 in the tens place. 

A. 10 

B. 1,000

C. 10,000

D. 30

B

500

How many hundreds are in 1,200?

12 

Comparing numbers

100

Use the > < or = sign to compare:

3,034           3,239

<

200

Use the > < or = sign to compare:

43,234           33,239

>

300

Order these numbers from least to greatest.

323,435      345,657      345,034       456,234

323,435, 345,034, 345,657, 456,234

400

Put these numbers in order from greatest to least:

4,032,123    4,239,231   4,934,231     4,239,100

4,934,231, 4,239,231, 4,239,100, 4,032,123           

500

Compare using < > or =

4,556,768    4,556,777

<

Rounding

100

Round 1,234,657 to the nearest ten.

1,234,660

200

Round 1,234,657 to the nearest hundred.

1,234,700

300

Round 1,234,657 to the nearest thousand.

1,235,000

400

Round 1,234,657 to the nearest ten thousand. 

1,230,000

500

Round 1,234,657 to the nearest million

1,000,000

Addition and Subtraction

100

4356+3543

7,899

200

9813-2345

7,468

300

40,000-22,341

17,659

400

190,023+180,023

370,046

500

800,000-34,334 

765,666