Unit 1 Math

Product or Quotient

100

12 x 100

1200.

200

5.639 x 1000

5639

300

2.369 / 10³

.002369

400

5,312 / 10⁴

.5312

500

5,235.4 x 10²

523540

Word Form

100

0.002

two thousandths 

200

.215

two hundred fifteen thousandths 

300

2.3

two and three tenths

400

562.235

five hundred sixty two and two hundred thirty five thousandths

500

45 hundredths compared to .045

greater than 

Rounding

100

5.236 to nearest tenths

5.2

200

45.236 to nearest hundredths

45.24

300

Suzy wanted to round 125.60. So, she rounded it to 130.00. What place did she round to?

tens 

400

James collect 52.36 tons of rocks. Round the amount of rocks to the nearest tenth of a ton. 

52.4

500

Bill rounded 1,586.326 to the nearest hundreds. He got 1,586.33. Is he correct? 

No. 

Numbers

100

Jordan thinks 400 is 10 times greater than 4. Is she correct?

No

200

What is the value of the 2 in 256 and the 2 in 523?

200 and 20

300

20 is ____ 200

1/10

400

Jill has a 2 in the thousandths place. How many time does she need to shift it and in what direction to make it 2? 

three to the left

500

(3x100) + (2x10) + (4x1) + (4x.1) + (2x.01) + (3x.001) 

324.423