7/8th - Week 1 - The Challenge is On...

Integer Operations

100

4*5-10-2(1-2)+5

17

200

((-3)^2*(5-7)^2-(-9))/3

15

300

10div5-(-2)^2 -4^2

-18

400

(-6+(-2))^2+(-1-6)^2

113

500

(-1)*(2-6)^2div8+8-3*4

-6

Scientific Notation

100

What is this number in scientific notation?

40,500,000,000

4.05*10^10

200

What is this number in scientific notation?

0.000 000 003

3*10^-9

300

What is

8.03*10^-4

 in standard form?

0.000 803

400

What is

5*10^7

 in standard form?

50,000,000

500

What is

2.1*10^-6

 in standard form?

0.000 002 1

Roots and Square Roots

100

sqrt169 = 

13

200

14^2 = 

196

300

sqrt225 = 

15

400

(4 + 8)^2 + (20 - 8)^2 = 

288

500

sqrt400 = 

20

Estimating Square Roots

100

Estimate the following square root, leave it in fraction form.

sqrt30

5 5/11

200

Estimate the following square root, leave it in fraction form.

sqrt40

6 4/13

300

Estimate the following square root, leave it in fraction form.

sqrt50

7 1/15

400

Estimate the following square root, leave it in fraction form.

sqrt90

9 9/19

500

Estimate the following square root, leave it in fraction form.

sqrt150

12 6/25

Classifying Numbers

100

What is the classification of this number?

Rational, Irrational, Real, Integer, Whole Number

sqrt169

real

rational

integer

whole number

200

What is the classification of this number?

Rational, Irrational, Real, Integer, Whole Number

2.05

Real

Rational

300

What is the classification of this number?

Rational, Irrational, Real, Integer, Whole Number

9.722222222....

Real

Rational

400

What is the classification of this number?

Rational, Irrational, Real, Integer, Whole Number

sqrt77

Real 

Irrational

500

What is the classification of this number?

Rational, Irrational, Real, Integer, Whole Number

pi

Real 

Irrational