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Addition Expedition
Subtraction Showdown
Cash Conundrums
On the Line
100

The larger of two numbers: 3.2 and 3.02

What is 3.2?

100

The sum of 1.2 and 3.5.

What is 4.7?

100

The difference of 5.5 - 2.2.

What is 3.3?

100

The order of the following amounts from least to greatest: $1.99, $1.00, and $0.99.

What is $0.99, $1.00, then $1.99?

100

Where 0.5 belongs on a number line (draw it)

(on the board)

200

The order of the decimals 0.07, 0.45, and 1.2 from greatest to least.

What is 1.2, 0.45, then 0.07?

200

The sum of 43.78 + 21.05 + 52.29.

What is 117.12?

200

The difference of 74.51 - 13.02.

What is 61.49?

200

If you have $2.50 and you buy a candy bar for $1.75, you have this much left over. 

What is $0.75?

200

The two whole numbers that 2.3 is in between on a number line.

What are 2 and 3?

300

Four decimals between 0.82 and 0.83.

What are 0.821, 0.822, 0.823, and 0.824? (Sample answer)

300

Amy finished the first leg of her race in 87.924 seconds and the second half in 79.06 seconds. It took her this long to complete the entire race.

What is 166.984 seconds?

300

Chris completed a 100-meter breaststroke swimming race in 92.542 seconds. Michael completed the 100-meter breaststroke swimming race in 95.6 seconds. Chris was faster than Michael by this many seconds. 

What is 3.058?

300

You bought groceries for $25.30 and a pair of shoes for $45.70. What is the total amount spent?

What is $71.00?

300

The number represented on the number line is

a. 2.5

b. 2.25

c. 2.05

d. 0.25

What is b. 2.25?

400

The smallest decimal among 0.6, 0.06, and 0.006.

What is 0.006?

400

The sum of 3.456 + 2.7 + 5.89 + 0.125.

What is 12.171?

400

The difference of 15.875 - 7.62 - 3.48 - 1.004.

What is 3.771?

400

A shirt costs $12.99. If you pay with a $20.00 bill, how much change will you get?

What is $7.01?

400

The number that is further right on a number line between 1.6 and 1.4.

What is 1.6?

500

The order of the decimals 222.75, 222.57, 232.755, 220.275 and 220.75 from least to greatest.

What is 220.275, 220.75, 222.57, 222.75 then 232.755?

500

The solution to the equation 15.79 + 4.54 - 2.006

What is 18.324?

500

5.927 - ______ = 5.920

769.333 - ______ = 69.333

What is 0.007 and 700?

500

You go to the mall with a $20 bill. If you buy a pretzel for $3.47, a shirt for $11.99, and a toy for $2.32, you will go home with this much left over. 

What is $ 2.22?

500

Mark 0.75, 1.5, and 1.3 on a number line. This is the number closest to 1.

What is 0.75?

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