Math Jeopardy Review

Place Value with Decimals

100

this number is ten times 30.

what is 3

200

this number is 100 times 3.

what is 300

300

this number is 1/100 30.

what is 0.3

400

this is the decimal form of 1/1,000

what is 0.001

500

this number is ten times 0.009

what is 0.09

Reading and writing decimals

100

this is the standard form of twenty-eight and 2 tenths.

what is 28.2

200

this is the expanded form of 30.25

what is (3 x 10) + (2 x 1/10) + (5 x 1/100) or (3 x 10) + (2 x 0.1) + (5 x 0.01)

300

this is the word form of 22.705

what is twenty-two and seven hundred five thousandths

400

this is the standard form of 20 + 0.7 + 0.08 + 0.006

what is 20.786

500

this is the expanded form of seven hundred fifty-one thousandths 

what is (7 x 1/10) + (5 x 1/100) + (1 x 1/1000) or (7 x 0.1) + (5 x 0.01) + (1 x 0.001)

Composing and Decomposing Decimals

100

Compose 3 tens + 12 ones + 2 tenths + 13 hundredths + 6 thousandths 

Hint: Include a place value chart 

What is 42.336

200

this is the decomposition of 12.23

hint: draw a place value chart as part of your answer

what is 1 ten + 2 ones + 2 tenths + 3 hundredths or 12 ones + 2 tenths + 3 hundredths 

(others may be accepted on a case by case basis)

300

this is the composition of 1 hundred + 3 tens + 10 ones + 6 tenths + 5 hundredths + 8 thousandths

what is 140.658

400

decompose 227.893

what is 2 hundreds + 2 tens + 7 ones + 8 tenths + 9 hundredths + 3 thousandths 

or 227 ones + 8 tenths + 9 hundredths + 3 thousandths

500

compose 1 ten + 12 ones + 3 tenths + 4 hundredths + 8 thousandths 

what is 22.348

Plotting, Ordering, and Comparing Decimals

100

this is the correct descending order of the decimals 1.27, 0.672, 0.675

what is 1.27, 0.675, 0.672

200

this is the correct order for the following decimals in ascending order: 0.67, 0.36, 1.11, 1.31, 0.38

what is 0.36, 0.38, 0.67, 1.11, 1.31

300

this is the greater decimal between 0.67 and 0.57

what is 0.67

400

this is the smaller decimal between 1.43 and 1.83

what is 1.43

500

plot the numbers on a number line: 0.2, 0.4, 1.64, 1.34

going from closest to zero to closest to two, the order should be 0.2, 0.4, 1.34, and 1.64. with zero being the smallest number on the number line, two being the largest. one should be in the middle of zero and two, 1.5 between 1 and 2, and 0.5 between 0 and 1.

Rounding Decimals

100

this is 3.45 rounded to the nearest whole number. 

what is 3

200

this is 1.22 rounded to the nearest tenth

what is 1.2

300

this is rounded 0.737 to the nearest hundredth 

what is 0.74

400

this is 27.363 rounded to the nearest hundredth

what is 27.36

500

this is 250.38 rounded to the nearest tenth.

what is 250.4