Decimal Addition
Decimal Subraction
Decimal Multiplication
Decimal Division
100

1.24 + 7.89

9.13

100

7.92 - 5.3

2.62

100

How do you multiply Decimals? 


100

78.2 ÷ 3.2

24.4375

200

7.589 + 7.992

15.581

200
565.567 - 2.2

563.637

200

234.922 x 33.89

7961.50658

200

Give a real-life situation where you use dividing decimals. 

BAD DAY: YOU GET 199 POINTS

Answers can vary

300

Sally needs help with solving this problem 67.333 + 37.142. Help her solve the problem by showing the steps to her. 

104.475 

Explanation will be checked,by the teacher.

300

67,982.345 - 67.89= 67914.454

Is this equation correct? 

Yes or No

No

300

Aum says that 31.80 x 00.45 = 32.25.

Is he right or wrong? If wrong what was his mistake.  

He was wrong. His mistake is that he added instead of muliplying.

300

How do you divide decimals? Explain as if you are teaching someone who has no idea how to do it. 


400

6,787.789 + 9.3333

6797.1223

400

56.779 + ___ = 7,278.992 

Fill in the blanks

7222.213

400

Tell me an example of a real-life situation where you would use multiplying fractions. DOUBLE POINTS!

A Real-life situation. Answer Vary.
400
1231.349 divided by 23.77

51.8026503997

500

6,787.789 + 9.3333

BAD LUCK: YOU GET 50 POINTS ONLY!


6797.1223

500

You have 10 seconds to solve the problem. All the teams will play this one.  


2.78 + 3.22.

 

6

500

Mr. Smith is building a bench and needs 6 lengths of wood each measuring 2.2 nanometers per bar. How many meters of wood does he need to purchase? 

 BAD LUCK: WORTH 150 POINTS. 

 

13.2

500

Krishna and Malav were doing a math problem, 23.5 divided by 5.67. Malav got 4.144 and Krishna got 4.243. Who is correct. 

LUCKY DAY: YOU GET 0.01 POINTS EXTRA!

Malav is correct.

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