Abacus Big friends

Front

2 + 2 + 7 + 8 + 7 = ?

Back

26

Front

9 - 7 + 9 + 7 + 9 = ?

Back

27

Front

3 + 9 + 6 + 9 + 9 = ?

Back

36

Front

4 + 8 + 3 - 1 + 8 = ?

Back

22

Front

7 + 8 - 1 + 8 + 8 = ?

Back

30

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Front

What is subtraction?

Back

Subtraction is the process of taking one number away from another.

Front

What does the equal sign (=) mean?

Back

The equal sign means that the values on both sides are the same.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals, used to represent numbers visually.

Front

What is a sum?

Back

A sum is the result of adding two or more numbers together.