Kungfu math p1 slide6b(mass)

• Comparison of mass.

What will we learn today?

MeasurementLength and Mass

Before we start, let’s learn some useful terms.

comparison

long longer longest

short shorter shortest

tall taller tallest

high higher highest

heavy heavier heaviest

light lighter lightest

Let’s learn about mass.

The baby is heavy.

The baby is heavy.

The child is heavier.

The baby is heavy.

The child is heavier.

The father is the heaviest of the three.

Mass can be measured and compared using a fixed units.

Mass can be measured and compared using a fixed units.

We can use the words

lightlighter

lightest

to describe mass.

1 ball stands for 1 unit.

The book is 3 units.

1 ball stands for 1 unit.

The cup is 2 units.

1 ball stands for 1 unit.The cup has a mass of 2 units.The book has a mass of 3 units.

1 ball stands for 1 unit.The cup has a mass of 2 units.The book has a mass of 3 units.

We can say that the book is heavier than the cup by 1 units.

Let’s learn another method.

The object that goes down is heavier.

The object that goes down is heavier. Dannie is heavier than May.

The object that goes down is heavier. Dannie is heavier than May.May is lighter than Dannie.

Find the mass of the book.

Find the mass of the book.

You can use the mass of the cup to help you!

Find the mass of the book.

The mass of the cup is 2 units.

Find the mass of the book.

The mass of the book will be 1 unit.

Are you ready to try out the questions?