Topic 1

exponents

100

3 x 10⁴ = ?

30,000

200

write in simpler form, then evaluate:

8 x 10 x 10 x 10

8 x 10³ = 8,000

300

12 x 10² = ?

1,200

400

(5 x 10 x 10 x 10 x 10) + (3 x 10 x 10) = ?

50,000 + 300 = 50,300

500

1² + 2² + 3² + 4² = ?

(1x1)+(2x2)+(3x3)+(4x4)

=

1 + 4 + 9 + 16 = 30

decimal/fraction

100

.4 as a fraction

4/10

or 2/5

200

82/100 as a decimal

.82

300

.019 as a fraction

19/1000

400

30/100 as a decimal (in simplest form)

.3

.30 is not the simplest way to write it. 3/10 and 30/100 are equivalent though

500

12/100 + .56 + 78/1000 = ? 

give the answer as a fraction

758/1000

equivalent decimals

100

2 equivalent decimals for

1.0

1, 1.00, 1.000, 1.000+

200

2 equivalent decimals for:

4.50

4.5, 4.500, 4.5000+

300

give 2 equivalent fractions for:

7/10

70/100, 700/1000, 7000/10000

400

2 equivalent decimals for:

3.04

3.040, 3.0400, 3.04000

500

solve, then find 2 equivalent fractions to your answer:

2/10 + 45/100 + 10/1000 =?

answer= 660/1000

2 equivalent fractions: 66/100, 6600/10000

rounding

100

round to the nearest tenth:

.67

.7

200

round to the nearest hundredth:

.321

.32

300

round to the nearest thousandth:

.455513

.456

400

round to the nearest hundred:

456.92108

500

500

convert from fractions, round to the nearest hundredth, then order from least to greatest:

34/100 , 721/1000, 17/1000

.02, .34, .72

misc

100

2 x 1/1000 + 5 x 1/100 + 9 x 1/10 = ?

.952

200

which is larger 12/1,000 or 120/10,000

why?

They are equivalent. Why? Because of place value!

300

a square has a perimeter of 8/10 of a meter. How long is each side?

2/10 of a meter, or 1/5 of a meter

400

.99999 rounded to the nearest hundredth is what?

1.00

right now .99999 is really close to 100/100. rounding to the nearest hundredth will get us there

500

20 squared times 4, divided by 10, times 100 is what?

16,000