Front

What is the rule for increasing a value by 200?

Back

+ 200

Front

What is the rule for increasing a value by 5?

Back

+ 5

Front

What is the rule for increasing a value by 5 (alternative representation)?

Back

+ 5

Front

What is the rule for increasing a value by 20?

Back

+ 20

Front

What is the rule for decreasing a value by 5?

Back

- 5

Front

How do you express an increase of a number by a certain amount?

Back

You add the amount to the original number.

Front

How do you express a decrease of a number by a certain amount?

Back

You subtract the amount from the original number.

Front

What is the effect of adding a positive number to a value?

Back

It increases the value.

Front

What is the effect of subtracting a positive number from a value?

Back

It decreases the value.

Front

If you start with a number and apply the rule + 200, what happens to the number?

Back

The number increases by 200.