Math Addition and Subtraction with bundling and unbundling

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 it mean to bundle in addition?

Back

Bundling in addition means grouping numbers together to make it easier to add them.

Front

What does it mean to unbundle in subtraction?

Back

Unbundling in subtraction means breaking a number into smaller parts to make it easier to subtract.

Front

What is the sum of 198 and 287?

Back

485

Front

What is 859 minus 769?

Back

90

Front

What is 3 + 3 + 3 + 3 + 3?

Back

15

Front

What is the sum of 395 and 287?

Back

682

Front

If John has 192 marbles and Sally gives him 312 more, how many marbles does he have now?

Back

504

Front

What is a number line?

Back

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