Math Review

PLACE VALUE

POWERS OF 10

NUMBER FORMS

INEQUALITIES

ROUNDING

+/- DECIMALS

MULTIPLICATION

200

The value of the 3 in 439 is ______ times the value of the 3 in 113.

10 times

200

Find the product. 21 x 10 ³

21,000

200

Write the expanded form for: 0.92

( 9 x 1/10) + (2 x 1/100)

200

Compare this inequality using > , < or = :

258.90 ___ 65.349

258.90 > 65.349

200

Round to the nearest hundredth.

44.278

44.29

200

Find the sum.

22.39 + 14.23

36.62

200

1.21 x 10²=

121

400

The value of the 9 is 9,000 is ______ times the value of the 9 in 90.

100 times

400

Find the product. 3 x 10 ²

300

400

Write the expanded form for: 23.192

(2 x 10) + (3 x 1)+ (1 x 1/10) + (9 x 1/100) + (2 x 1/1000)

20 + 3 + (1 x 1/10) + (9 x 1/100) + (2 x 1/1000)

400

Write a number to make this inequality true:

_______ > 65.932

Any number greater than 65.932

400

Round to the nearest tenth.

930.125

930.1

400

Find the sum.

275.11 + 12.93

288.04

400

0.45 x 0.15 =

0.0675

600

The value of the 2 in 632,589 is _______ times the value of the 2 in 987,521.

100 times

600

Write two ways to show 45 x 10 ⁵

45 x (10 x 10 x10 x10 x10)

45 x 100,000

600

Write the expanded form for: 445.9

(4 x 100) + (4 x 10) + (5 x 1) + (9 x 1/10)

400 + 40 + 5 + (9 x 1/10)

600

Write a number to make this inequality true:

993.258 > ________

Any number less than 993.258

600

Round to the nearest whole.

324.55

325

600

Find the sum.

649.79 + 10.456

654.246

600

0.534 x 10³ =

5,340

600

The value of the digit 4 in the 15.432 is _______ times the value of the 4 in 12.284.

100 times

600

Find the product. 8.09 x 10 ⁴

80,900

600

What is the standard form for this: (4x100) + (5x1) + (2 x 1/10) + (9 x 1/100)

405.29

600

Compare this inequality using < , > or = :

(2 x 1,000) + (5 x 100) + (3 x 1/10) ____ 20,435

(2 x 1,000) + (5 x 100) + (3 x 1/10) < 20,435

600

Round to the nearest whole.

1,024.89

1,025

600

Find the difference.

900.45 - 145.12=

755.33

600

2 x 0.32 =

0.64

800

The value of the digit 7 in 117.234 is _______ times the value of the 7 in 99.710.

10 times

800

Find the product. 0.224 x 10³

224

800

What is the standard form for (9 x 1,000) + (4 x 100) + (3 x 1) + (1 x 1/10) + (6 x 1/100) + (8 x 1/1000)

9,401.158

800

Compare this inequality using < , > or = :

(7 x 1,000) + (8 x 100) + (5 x1) + (8 x 1/10) ______ 781

(7 x 1,000)+ (8 x 100) + (5 x1) + (8 x 1/10) > 781

800

Round to the nearest whole.

10,000.999

10,001

800

Find the difference.

10 - 9.12 =

0.88

800

232 x 2.28 =

528.96