Math Without a Calculator

The 4 basic operations

100

54+43

97

200

12(13)

156

300

439-177

262

400

2824/4

706

500

1453-(566-333)+262

1482

Exponents

100

8²

64

200

9³

729

300

3⁴-14

67

400

8³ multiplied by 3

1536

500

6³-(3³[4³])

-1512

Algebra

100

8-x=5

x=3

200

4x-3=77

x=20

300

5^x=625

x=4

400

34(23-x)=-238

x=30

500

x-r=u

find x

x=r+u

x=u+r

Circumference

100

diameter=1

DO NOT ROUND

1 pi

200

diameter=9

DO NOT ROUND

9 pi

300

Diameter=655-129

DO NOT ROUND

526 pi

400

Diameter=3⁶+44

DO NOT ROUND

773 pi

500

Diameter=99+34-15-111

Use pi as 3.14

21.98

Notation

100

0.01X10² in standard notation

1

200

23 in scientific notation

0.23X10²

300

345000 in scientific notation

3.45X10⁵

400

998.32X10^-7 in standard notation

0.000099832

500

0.0000000000000000234 in scientific notation

2.34X10^-15