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100

92

81

100

Mental Math

125 - 75

50

100

MENTAL MATH

19 + 21 = 

40

100

MENTAL MATH 

8 x 13

104

100

The First Place team earns 200 pts

The First Place team earns 200 pts

100

96/6

16


100

How many significant figures are there in 1.002340

7 s.f.

200

82+36

100
200

1,217 - 315

902

200

MENTAL MATH

50 + __ = 276

226

200

Mental Math

12 x 13 =

156

200

Whoops, who put this here??

Nothing happens :)

200

MENTAL MATH 

80 divided into 4 groups 

20

200

Write 654321 in 3 s.f.

654000

300

2 x 23

16

300

410 - 390

20

300

MENTAL MATH

275 + 126 = ? 

401

300

Mental Math

25 x 12=

300

300

The 2nd place team earns 300 pts

The 2nd place team earns 300 pts

300

MENTAL MATH

175 divided into 25 groups

7

300

Write 1.02895 in 4 s.f.

1.029

400

60 - 62

- 35

400

Mental Math

63 - (-27)  = 

90

400

MENTAL MATH

125 + 76 = 

201
400

Mental Math

19 x 9 = 

171

400

The 1st place team loses 100 points

The 1st place team loses 100 points

400

MENTAL MATH

143 divided into 11 groups

13

400

How many significant figures are there in 0.0927000

6 s.f.

500

12 + (-1)2 - (-2)2

-2

500

Mental Math

Dinner will be ready at 8:30. It is 7:45. How long will you wait to eat?

45 mins

500

1,366 + 234 = 

1,600

500

MENTAL MATH

75 x 11 = 

825

500

Choose a team to give 200 points to. (Can't choose yourself)

Choose a team to give 200 points to. (Can't choose yourself)

500

Mental Math

51 divided into 3 groups

17

500
Write 0.999 n 2 s.f.

1.0