Page 24 - NUMINO Challenge_M1

EExxeerrcciissee How many lengths can be measured using an L-shaped piece of
wood?

3 cm 2 cm
2 cm

EExxpplloorree If the weight of 1 unit weight is 1, various weights of objects can
be expressed in numbers and compared.

A Marble A is equal to 2 unit weights.
The weight of marble A is 1 2 2.

The weight of marble A is equal to
A B the combined weight of marble B

and 1 unit weight. Marble A is 1 unit
weight heavier than marble B.

C Marble C and 1 unit weight is equal
to 2 unit weights. The weight of
marble C is 1.

EExxeerrcciissee A bunch of grapes weighs the same as 2 unit weights. How many
unit weights must be placed in the blank to balance the scale?

21Measurement