MATH JEOPARDY

comparing decimals

100

379.021_371.937

379.021>371.937

200

789.379_789.380

789.379<789.937

300

321.789_321.2394

321.789>321.2394

400

913.2923_913.292300

913.2923=913.292300

500

198.3291_198.3192

198.3291>198.3192

multiply decimals by powers of 10

100

what is 50.1 x 10¹

501

200

what is .25 x 10³

250

300

what is 55.4 x 10⁴

554,000

400

what is 6.3 x 10⁵

630,000

500

what is 470.67 x 10⁶

470,670,000

adding and subtracting decimals

100

what is 80.1+80.1

160.2

200

what is 101.3+370.9

472.2

300

what is 100.60+760.1

860.70

400

what is 7031.91-500.41

6531.5

500

What is 900.41+4,569.31.then subtract the sum by 209.71. 

5469.72

rounding decimals

100

Round 187.659 to the nearest tens place

190

200

Round 112.789 to the nearest hundreds

100

300

Round 199.992 to the nearest tenth

200

400

Round 732.953 to the nearest tenth

733

500

Round 187.678 to the nearest hundredth.Then you round that to the nearest hundred

200

multiplying decimals

100

What is 1.50 x 3.50?

5.25

200

What is 10.2 x 47.8?

487.56

300

What is 20.2 x 100?

2,020

400

What is 89.2 x 32?

2,854.4

500

What is 99.3 x 49?

4,865.7