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Key Words in Algebra
Divisibility Laws
Factors and Multiples
Simplifying Expressions
Order of Operations
100
What is the name of our number system? ____________________________________
What is Hindu-Arabic?
100
If a number is divisible by both 2 and 3, then it is divisible by _____.
What is 6?
100
1, 2, 3, 6.
What are factors of 6?
100
Simplify: c + c + c + d + d.
What is 3c + 2d?
100
Evaluate 2 x (3 x 6 – 4) + 7.
What is 35?
200
Multiplication is used to find the _______________________.
What is product?
200
If the last digit is 0 or even, then the original number is divisible by _____.
What is 2?
200
What number is halfway between -3 and 7?
What is 2?
200
Simplify: 3x + 2.
What is cannot be simplified?
200
Find 5 + [13 – (8 ÷ 4)].
What is 16?
300
Division is used to find the ________________________.
What is quotient?
300
If the number formed by the last two digits is divisible by _____, then the original number is divisible by _____. (Same number goes in each blank.)
What is 4?
300
2, 4, 6, 8, 10.
What is multiples of 2?
300
Simplify: 3a + 6b – a – 2b.
What is 2a + 4b?
300
Find (2 ÷ 2 x 4)squared.
What is 16?
400
A _____________________ number is a natural number which has exactly two different factors, 1 and itself.
What is prime?
400
If the number formed by the last three digits is divisible by _____, then the original number is divisible by _____. (Same number goes in each blank.)
What is 8?
400
Express 252 as a product of prime factors in index form.
What is 2 squared x 3 squared x 7?
400
Simplify by using index notation: 2 x a x a x a x b x b.
What is 2 a cubed b squared?
400
Find (8+14 ÷2)/(12 ÷4).
What is 5?
500
A __________________________ is an unknown quantity which we represent by a letter or pronumeral.
What is variable?
500
If the last digit is 0 or _____, then the number is divisible by _____. (Same number goes in each blank.)
What is 5?
500
The smallest whole number which has factors of 2, 3, and 5.
What is 30?
500
Find the INPUT NUMBERS for the following OUTPUT NUMBERS. Rule: Multiply the input number by five and subtract three. _____ → 7; _____ → 12; _____ → 17
What is 2, 3, 4?
500
If a = 3, b = 6, and c = -7, find the value of c(a – b).
What is 21?