Note Cards for 7th Grade Pre-Algebra Midterms and Finals
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| Identify as a Numerical or Variable expression: 5-5 | Numerical Expression
Section 1-1 Rebecca Oliver,Pd.#10
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| Simplify: 4+15÷3 | 4+15÷3 *First Divide.
4+15 *Then add.
9
Section 1-2 Rebecca Oliver,Pd.#10
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| Evaluate: 4y-15 for y=9 | Numerical Expression
Section 1-1 Rebecca Oliver,Pd.#10
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| If the temperature in a thermometer is 4 degrees Celcius below zero, what is the temperature? | Numerical Expression
Section 1-1 Rebecca Oliver,Pd.#10
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| Simplify: 4+15÷3 | 4+15÷3 *First Divide.
4+15 *Then add.
9
Section 1-2 Rebecca Oliver,Pd. #10
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| Find the difference: -6-(-2) | -4
Section 1-6 Rebecca Oliver,Pd. #10
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| Simplify the product: 2(-6) | -12
Section 1-9 Rebecca Oliver,Pd. #10
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| In which quadrant is (-2,1) located? | Quadrant II
Section 1-10 Rebecca Oliver,Pd.#10
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| Name the Property Shown: 5×7=7×5 | Commutative Property of Multiplacation
Section 2-1 Rebecca Oliver,Pd.#10
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| Simplify using the Distributive property: 8(15)-8(5) | 8(15)-8(5)=8(15-5) *Use the Distributive p.
=8(10) *Subtract within ()
=80 *Multiply.
Section 2-2 Rebecca Oliver,Pd.#10
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| Name the coefficients,the like terms, and the constants in 3m-2n+n-4. | Coefficents: 3,-2,1
Like Terms: -2n and n
Constants: -4
Section 2-3 Rebecca Oliver,Pd.#10
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| State wheather the equation is true,false,or an open sentence: 6+12=18 | true, because 18=18
Section 2-4 Rebecca Oliver,Pd.#10
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| Find out what b equals in: b-12=-49 | b-12=-49
b-12+12=-49+12 *Add 12 to each side.
b=-37 *Simplify.
Section 2-5 Rebecca Oliver,Pd.#10
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| Solve the equation: 4x=84 | 21
Section 2-6 Rebecca Oliver,Pd.#10
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| Low-sodium food has at most 140 mg of sodium. Write an inequality for this. | s≤140
Section 2-8 Rebecca Oliver,Pd.#10
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| Solve: n-15<3 | n-15<3
n-15+15<3+15 *Add 15 to each side.
n<18 *Simplify.
Section 2-9 Rebecca Oliver,Pd.#10
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| Solve: 4x>40 | x>10
Section 2-10 Rebecca Oliver,Pd.#10
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| Round to the nearest tenth: 4.2683 | 4.3
Section 3-1 Rebecca Oliver,Pd.#10
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| Estimate each product: 4.72×1.8 | about 10
Section 3-2 Rebecca Oliver,Pd.#10
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| Find the mean,median,mode, and range: 2.3, 4.3, 3.2, 2.9, 2.7, 2.3 | Mean:2.95
Median:2.8
Mode:2.3
Range:2
Section 3-3 Rebecca Oliver,Pd.#10
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| Use the formula d=rt. Find what r equals in: d=237 mi,t=9.75 h | r=28 mi/h
Section 3-4 Rebecca Oliver,Pd.#10
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| Solve the equation: x+4.9=18.8 | x=13.9
Section 3-5 Rebecca Oliver,Pd.#10
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| Solve the equation: 0.8x=-1.6 | x=-2
Section 3-6 Rebecca Oliver,Pd.#10
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| Choose the appropriate metric unit: mass of a horse | kilograms
Section 3-7 Rebecca Oliver,Pd.#10
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| Is 64 divisible by 9? Explain. | No; the sum of the digits,10, is not divisible by 9.
Section 4-1 Rebecca Oliver,Pd.#10
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| Write using exponents: 6×6×6×6 | 6⁴
Section 4-2 Rebecca Oliver,Pd.#10
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| State wheather the number is prime of composite. Explain. 23 | Prime; It has only two factors, 1 and 23.
Section 4-3 Rebecca Oliver,Pd.#10
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| Write the fraction in simpliest form: 6/8 | 3/4
Section 4-4 Rebecca Oliver,Pd.#10
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| Write three fractions equivalent to the fraction: 1/3 | 2/6, -2/-6, -1/-3
Section 4-6 Rebecca Oliver,Pd.#10
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| Simplify: m⁵×m⁴ | m⁹
Section 4-7 Rebecca Oliver,Pd.#10
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| Simplify the expression: 5x⁰ | 5
Section 4-8 Rebecca Oliver,Pd.#10
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| Write in Scientific Natation: 0.00021 | 2.1×10‐⁴
Section 4-9 Rebecca Oliver,Pd.#10
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