Show What You Know Maaaaaath

Blandet

10

-126+423

549

100

Mental Math

100 + 900 =

1000

200

En trekant er 18 cm høj og har en grundlinje på 6 cm. Hvad er trekantens areal?

A=54

300

‐2x
+
6
‐
4x
+
7y
‐
4
+
7x


x+ 2 + 7y

400

‐15a
+
24
+
(‐17)
+
4a
+
12a


a + 7

Subtraktion

10

Mental Math

60- 10 = 

50

100

Mental Math

Jack had a lemonade stand and made $25, the first day and $30 the next day. how much money did he make?

$55

200

562-100

462

300

649-349

349

400

Mental Math

250-150

100

Addition

10

MENTAL MATH

98 + 499 = 

597

100

345 + 134 = 

479

200

MENTAL MATH

155 + 245 = ? 

400

300

MENTAL MATH

10 + ___ = 241

231

400

MENTAL MATH

37 + 63 = 

100

Place Value!

10

How many tens

784

8

100

MENTAL MATH

135 x 3  = 

405

200

Mental Math

20 x 41 = 

820

300

Mental Math

2 x 1=

2

400

MENTAL MATH 

8 x 9 x 2 = 

144

Division

10

MENTAL MATH

400 divided into 5 groups

80

100

Mental Math

54 divided into 6 groups

9

200

MENTAL MATH

what is 1/4 in decimal form?

.25

300

MENTAL MATH 

1/2 in decimal form

.5

400

140/10

14

Ligninger

10

4x+9=69

x=15

100

45=3x-45

x=30

200

0=x/3 - 4

x= 12

300

x/5 - 5 = -9 

x=-20

400

-17x + 46 = -15x +24

x = 11

Number squared

10

What is 3² ?

9

100

What is 9²

81

200

What is 4² ?

16

300

What is 5² ?

25

400

What is 6² ?

36