basic algebra

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables (like x or y), and operations (like +, -, ×, ÷).

Front

What does 's - 10' mean?

Back

It means you take 10 away from the number s.

Front

What is the algebraic expression for 'the difference of r and 3'?

Back

r - 3

Front

What is the algebraic expression for 'the sum of n and 9'?

Back

n + 9

Front

What does 'take 10 away from s' mean in algebra?

Back

It means to subtract 10 from s, written as s - 10.

Front

If you have 5 blocks and add 3 more, how many blocks do you have?

Back

5 + 3 = 8 blocks.

Front

What is the next number in the pattern: 2, 4, 6, ?

Back

The next number is 8.

Front

What does 'the next term will have 15 blocks' mean?

Back

It means that in a sequence or pattern, the following number of blocks is 15.

Front

What is a variable in algebra?

Back

A variable is a letter that represents a number we don't know yet, like x or y.

Front

What does 'n + 9' represent?

Back

It represents the total when you add 9 to the number n.