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Base 10
Other Systems
Order of Operations
Number Theory 1
Number Theory 2
100
20,000 x 8,000 = ?
160,000,000
100
Write 1010 (binary) in base 10.
10 (8+2)
100
Evaluate 3x + 7 if x = 9
34
100
List the factors of 45.
1,3,5,9,15,45
100
Find the GCF of 45 and 60.
15
200
Write 532.567 x 107 = ?
5,325,670,000
200
Write 11011 (Binary) in base 10.
27 (16+8+0+2+1)
200
Simplify: 5 + 6 x 7 - 12 / 2
45
200
Write the prime factorization of 84.
2x2x3x7
200
Find the LCM of 12 and 8.
24
300
Write .0000569 in scientific notation.
5.69 x 10-5
300
Write 22 (base 10) in base 3.
211 (18+3+1)
300
Evaluate 9 - 4 + 2x2 if x = 6.
77
300
Find the prime factorization of 264
2x2x2x3x11
300
Find the GCF of 120 and 75.
15
400
3256.2 / 10-2 =
325,620
400
Write 75 (base 10) in base 8.
113 (64+8+3)
400
Evaluate (5x - 12) + 3x3 if x = 3
84.
400
List all the factors of 212.
1,2,4,53,106,212
400
Find the LCM of 77 and 88.
616
500
(5 x 105)(2 x 10-7) = ? (Answer must be written in scientific notation!)
1 x 10-1
500
Write 1,111 (base 10) in base 5.
13421
500
Simplify: (12 - 2 x 5)(62 - 52)2
242
500
A three-digit number has 19 and 11 in its list of factors. What is the largest this number can be?
836
500
Find both the LCM and GCF of 135, 36, and 45.
GCF = 9, LCM = 540.