Variables a,b,c

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown number or value.

Front

What does the letter 'c' represent in the equation c - 16 = 52?

Back

The letter 'c' represents an unknown number that, when decreased by 16, equals 52.

Front

How do you express 'a number decreased by 16 is 52' in equation form?

Back

The equation is c - 16 = 52.

Front

If there are 17 cans and the next row has 'n' fewer cans, how can we express the number of cans in the next row?

Back

The expression is 17 - n.

Front

If Allie read for 's' minutes on Monday, how can we express the time she read on Tuesday if it was twice as much?

Back

The expression is s x 2.

Front

If Susan ate 3 fewer pieces of pizza than Kim, how can we express the number of pieces Susan ate if 'p' represents the pieces Kim ate?

Back

The expression is p - 3.

Front

What does the expression m - 3 represent?

Back

It represents an unknown number 'm' decreased by 3.

Front

What is the purpose of using variables in equations?

Back

Variables allow us to represent unknown values and solve problems mathematically.

Front

What is the equation for 'n fewer cans' if there are 17 cans?

Back

The equation is 17 - n.

Front

How do you express 'twice a number s' in mathematical terms?

Back

The expression is 2s or s x 2.