Algebra 1 MIDTERM

LCM & GCF

100

What is the GCF of 25 and 15?

25- 1, 5, 25

15- 1, 3, 5, 15

5

200

What is the LCM of 20 and 60? 

60

20- 20, 40, 60

60-60, 120 180

300

What is the GCF of 100 and 325

25

100- 1, 2, 4, 5, 10, 20, 25, 50, 100

325- 1, 5, 13, 25, 65, 325

400

What is the LCM(Least Common Multiple) of 15 and 270?

270

15- 15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180, 195, 210, 225, 240, 255, 270

270- 270, 540, 810

500

Find the common factors of 18 and 24.

1, 2, 3, 6

18- 1, 2, 3, 6, 9, 18

24- 1, 2, 3, 4, 6, 8, 12, 24

Fractions, Decimals & Percent

100

Does 8/33 convert to a repeating decimal?

Yes 

8/33 = 0.2424242424

200

Convert this percent to a decimal

563/856

0.6577

300

Convert this percent to a fraction.

65%

65/100 or 13/20

65%/100 = 0.65

400

Convert this fraction to a percent

56/89

62.92%

500

Convert this percent to a fraction

0.999%  This is repeating.

 999/999

What is the underlined Place Value?

100

8,489,349

tens place

200

79,788

hundreds

300

390,457.012

thousandths

400

478,902.69

ten thousands

500

67,894,900.236

 ten millions

Percent Change

100

Find the Total Price.

Sweater $45

Tax 6%

$47.70

200

Find the total price.

Mini Bike  $599

Tax 11%

$664.89

300

What is 19% of 89?

16.91

400

What is 229% of 245?

561.05

500

Find the Total Price

Concert Tickets $450

Discount 22%

$351

Rounding

100

Round this number to the nearest hundreth.

56.2365

56.24

200

Round this number to the nearest whole number.

5.695

6

300

Round this number to the nearest thousandth.

69.6945

69.695

400

Round this number to the nearest hundred.

569,536.154

569,500

500

Round this number to the nearest ten thousandth.

78.69484621

78.6948