Base Conversions

Base 2 → Base 10

100

Convert 1010₂ to base 10.

10

200

Convert 1101₂ to base 10.

13

300

 Convert 11110₂ to base 10. 

30

400

Convert 101011₂ to base 10.

43

500

Convert 1101011₂ to base 10.

107

Base 5 → Base 10

100

Convert 13₅ to base 10.

8

200

Convert 24₅ to base 10.

14

300

Convert 132₅ to base 10.

42

400

Convert 304₅to base 10.

79

500

Convert 4312₅ to base 10.

582

Base 8 → Base 10

100

Convert 12₈ to base 10.

10

200

Convert 25₈ to base 10.

21

300

Convert 54₈ to base 10.

44

400

Convert 127₈ to base 10.

87

500

Convert 235₈ to base 10.

157

Types of Numbers

100

What type of number starts with 0?

Whole Numbers

200

What type of number includes negatives and positives but no fractions?

Integers

300

What do you call a number that can be divided exactly by another number?

A factor

400

Is 7 a prime or composite number?

prime number

500

What is the smallest multiple of any number?

The number itself

Mental Math

100

What is 25+75?

100

200

What is 120÷10?

12

300

What is 15×6?

90

400

What is 300−175?

125

500

What is (12×8)+ 56 ÷ 8?

103