Mauna Math Jeopardy!

Decimal Queen

100

456.32 + 367.99 = 

824.31

200

8,762.33 + 54.7 = 

8,817.03

300

984.5 - 693.2 = 

291.3 

400

354.6 x 12 

4,255.2

500

87.5 x 1.3 

113.75

What's the story?

100

The class had a bottle of bubbles that weighed 12,000 grams.  The class used 7,500 grams.  How many grams were left?

4,500 grams

200

What is the perimeter of a rectangle that is 4 feet wide and 7 feet long

22 feet

300

Ellen had 380 Legos yesterday. She lost 57 of them and her sister took 12 more of them. How many does she have today?

311

400

Arthur baked 35 muffins. How many more does he need to bake in order to have 83 muffins.

48 muffins

500

Creek has 1,400 crayons, Bennett has 200 crayons, and Cash has 7 crayons. How many do they have altogether?

1,607 crayons

Surprise!

100

Write this in standard form: 10⁴

10,000

200

The 3 in the number 3,671 is how many times greater than the 3 in 1,386. 

10 times 

300

Compare.  

4.5  ____  4.05

greater than 

400

What is 4,005 - 2,186?

1819

500

Long Division: 13,701 divided by 3

4,567

Pickle Math

100

What is the value of the 7 in the number 379,421

70,000

200

Melody read a book for 8 minutes and her friend read twice as much. How long did both girls read

24 minutes

300

Write this in standard form: 10⁵

100,000

400

Is 25 prime or composite

composite 

500

23.45 x 17

398.65

This & That

100

Long Division: 730 divided by 5 

146

200

Long Division: 1,036 divided by 7

148

300

Long Division: 1178 divided by 8

147

400

21 is 3 times more than what number? 

7

500

Write the answer in standard form: 10^{2 +} 10^{3 =} 

100 + 1,000 = 1,100