MathematicsYear 3

Mass

Introduce the standard unit; kilogram for measuring masses.1 kilogram = 1000 grams

Emphasize that measuring should start from the ‘0’ mark of the weighing scale.

Introduce the abbreviations:a. ‘kg’ for kilogram; andb. ‘g’ for gram.

THE MARKINGS ON THE WEIGHING SCALES

Each mark is 500 g.

THE MARKINGS ON THE WEIGHING SCALES

Each mark is 250 g.

THE MARKINGS ON THE WEIGHING SCALES

Each mark is 200 g.

THE MARKINGS ON THE WEIGHING SCALES

Each mark is 50 g.

DRAW POINTER TO SHOW THE MASS

Mass of watermelon 4 kg

DRAW POINTER TO SHOW THE MASS

Mass of cake 2 kg

Mass of a bag of chips = g

Write down the masses of the objects.

100

Write down the masses of the objects.

Mass of a packet of okra = kg 1

MEASURE AND RECORD THE WEIGHING SCALE

MEASURE AND RECORD THE WEIGHING SCALE

MEASURE AND RECORD THE WEIGHING SCALE

MEASURE AND RECORD THE WEIGHING SCALE

GROUPACTIVITIES

RING ENOUGH WEIGHTS TO GET THE MASS

RING ENOUGH WEIGHTS TO GET THE MASS

RING ENOUGH WEIGHTS TO GET THE MASS

RING ENOUGH WEIGHTS TO GET THE MASS

FOR EACH SCALE DRAW POINTER TO SHOW THE MASS OF THE ITEM

Mass of a bag of nuts it is almost 1 kg

FOR EACH SCALE DRAW POINTER TO SHOW THE MASS OF THE ITEM

Mass of fish is almost 5 kg

FOR EACH SCALE DRAW POINTER TO SHOW THE MASS OF THE ITEM

Mass of bananas is a little more than 2 kg

Write down the masses of the objects.

Mass of garlic = g 30

Write down the masses of the objects.

Mass of aubergine = g80

Write down the masses of the objects.

Mass of a bag of potatoes = g500

puzzleACTIVITIES

E G Y P T I A N

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