Rational number word problems - choice board

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you add mixed numbers?

Back

To add mixed numbers, convert them to improper fractions, find a common denominator, add the fractions, and convert back to a mixed number if necessary.

Front

What is the process to subtract fractions?

Back

To subtract fractions, find a common denominator, convert the fractions, subtract the numerators, and simplify if possible.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is the formula to find the total distance run?

Back

Total distance = Distance on Day 1 + Distance on Day 2 + Distance on Day 3.

Front

How do you divide a whole number by a fraction?

Back

To divide a whole number by a fraction, multiply the whole number by the reciprocal of the fraction.

Front

What is the method to find the total cost from individual expenses?

Back

Total cost = Sum of all individual expenses.

Front

How do you find how many pieces can be cut from a length?

Back

Divide the total length by the length of each piece.

Front

What is the process to find the remaining amount after spending?

Back

Remaining amount = Initial amount - Total spent.

Front

How do you calculate the amount needed to purchase?

Back

Amount needed = Total required - Amount already available.