Level 1 Basics

Question 1

Add, Subtract, Multiply, Divide Whole Numbers

Answer 1

Check addition with subtraction and vice versa.

Check multiplication with division and vice versa.

Question 2

Add, Subtract, Multiply, Divide Fractions

Answer 2

Find the common denominator when adding or subtracting.
Multiply the numerators then denominators.
To divide, multiply by the reciprocal (flip numerator and denominator).

Question 3

Add, Subtract, Multiply, Divide Decimals

Answer 3

Align the decimal points, then add or subtract normally.
To multiply, multiply normally then count off decimal places.
To divide, move decimal point of divisor to the right to form a whole number; move the decimal point in the dividend the same number of places. Divide as though there were no decimals, then place the decimal in the quotient.

Question 4

Convert Fractions to Decimals and vice versa

Answer 4

To convert a fraction to a decimal, divide.

To convert a decimal to a fraction, use decimal name in the denominator.

Question 5

Add, Subtract, Multiply, Divide Positive and Negative Numbers

Answer 5

When addends (numbers being added) have the same sign, add absolute values. 
When addends are different, subtract absolute values, answer has sign the same as the greater absolute value.

Question 6

Plot points on a number line

Answer 6

For a positive number, move right.

For a negative number, move left.

Question 7

Plug a number into an algebraic expression

Answer 7

Choose simple numbers, or use numbers assigned.

Question 8

Solve a linear equation

Answer 8

Isolate the variable by doing the same to both sides of the equation.

Question 9

Add or subtract line segments

Answer 9

Pay attention to the segments by using visuals.

Add and subtract as normal.

Question 10

Find the third angle of a triangle, given the other two angles

Answer 10

The sum of the interior angles of a triangle is always 180 degrees. Use that to solve for missing angle.