Exponents

Exponents show repeated multiplication. Exponents represent how many times a base number is multiplied by itself. Example:  (5 is the base number and 3 is the exponent) or Five to the power of three is the same as saying  which is equal to 125 You can write exponents in different ways too! Example:  Exponent Form:  Expanded Form:  Standard … Read more

Fractions/Ratios/Proportions to Percents

There are several ways to convert fractions to percentages. 1) Divide the numerator by the denominator and multiply the quotient by 100. Example   Step 1:               Step 2: Multiply 0.800 x 100 *We multiply by 100 because percent is always out of 100! When you multiply a decimal by 100, just … Read more

Divide by Fractions

How to Divide by Fractions: Multiplying by the reciprocal Example with a fraction being divided by a fraction problem:    Step 1: turn the fraction you are dividing by upside-down (this gives you its’ reciprocal) and flip the division sign into a multiplication sign. Step 2: Multiply across 5×4=20 ; 8×2=16     So,   … Read more

Solving Math Word Problems & Keys to Word Problems

HOW TO SOLVE WORD PROBLEMS IN MATH! Read the problem and think about the question. Identify each piece of information needed to answer the question. Determine the order in which you must work with the pieces of information. Write and Solve a number sentence to find each piece of information. Check your solution by re-reading … Read more