Integer Operations
Evaluate: -5 + (-8)
What is -13?
Evaluate: 5 + 3 × 2
What is 11?
Simplify to lowest terms:
\frac{12}{18}
What is
\(\frac{2}{3}\)
?
Solve for x: x + 7 = 15
What is x = 8?
It is the only number that is both a perfect square and a perfect cube between 10 and 100.
What is 64? (8² and 4³)
Evaluate: (-4) × (-7)
What is 28?
Evaluate: (10 - 4)² ÷ 4
What is 9?
Evaluate:
\(\frac{1}{4} + \frac{2}{3}\)
What is
\(\frac{11}{12}\)
?
Solve for x: 3x = -21
What is x = -7?
In geometry, if a square has an area of 81 square centimeters, this is the length of one of its sides.
What is 9 cm?
Evaluate: 12 - (-15)
What is 27?
20 - 2 × 3²
What is 2?
Evaluate and simplify:
\(\frac{4}{5} \times \frac{3}{8}\)
What is
\(\frac{3}{10}\)
?
Solve for x: 2x - 5 = 11
What is x = 8?
If a sequence starts at 2 and each term is doubled (2, 4, 8, 16...), this will be the 6th number in the pattern.
What is 64? (2⁶)
Evaluate: -48 ÷ 6
What is -8?
Evaluate the top and bottom and then give a final answer:
\frac(15-3)(2+4)
What is 2?
Evaluate:
\(2 \frac{1}{2} \div \frac{3}{4}\)
What is
\(\frac{10}{3}\) (or \(3 \frac{1}{3}\))
?
Solve for x:
\(\frac{x}{4} + 3 = 9\)
What is x = 24?
Explain why (-5)² is positive, but -5² is negative.
What is brackets? (The first squares the negative, the second squares only the 5).
Evaluate: -3 - 7 + (-2) - (-5)
What is -7?
Evaluate: \(4 \times [18 \div (2 + 4)] - 7\)
\4\times[18\div(2+4)]-7
What is 5?
Evaluate:
\(\frac{7}{10} - \frac{2}{5}\)
What is
\(\frac{3}{10}\)
?
Solve for x: 5 - x = 12
What is x = -7?
Evaluate this giant-looking expression without a calculator:
\((15 \times 4 ÷ 2 + 100)^{0}\)
What is 1? (Anything to the power of 0 is 1).