Mental Math Jeopardy!

addition

100

247+10

 257

200

84+9

 93

300

237+8

 245

400

326 + 274

600

500

938 + 181

 1,119

subtraction

100

964-10

 954

200

82-9

 73

300

236-8

 228

400

420-22

318

500

618-329

 289

multiplication

100

2 x 9

 18

200

4 x 9

 36

300

6 squared

 36

400

18 x 5

 90

500

24 x 7

 168

division

100

25 ÷1

 25

200

30 ÷6

 5

300

24 ÷6

 4

400

72 ÷8

9

500

56 ÷7

 8

story problems

100

I have 16 pens. You have 12 pens. How many do we have in all?

 28 pens

200

You have 28 toy cars. I have 46 toy cars. How many more cars do you need to have the same amount that I do?

 18 more cars

300

Thirteen people are in our math group. How many hands are there? How many fingers?

 26 hands and 130 fingers.

400

I have 52 toy car wheels. How many cars can I build with these wheels?

13 cars

500

I baked 2 dozen cupcakes. Each cupcake had 3 cherries on top. I ate the cherries off 2 of the cupcakes. How many cherries are left?

 30 cherries