Page 58 - Whole Numbers (Addition and Subtraction)

2.2 Increases, decreases and differences

1. There is 868 ml of water in the measuring cylinder on the left.
If Merrill pours 287 ml water out of the cylinder, how much
water is left?

2. If there is 868 ml of water in the cylinder on the left, how
much more water is needed to fill it up to the 1 000 ml mark?

increase means by
how much an amount
or quantity has become
more.
Decrease means by
how much an amount
or quantity has become
less.
Difference means
how much more one
amount or quantity is
than another.

3. The water level in the cylinder on the right is 472 ml.

(a) How much less water is there in this cylinder than in the
cylinder on the left?

(b) How much water is there in the two cylinders together?
(c) What will the volume of water in the cylinder on the right
be if 244 ml is added?

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