Page 52 - PlayFacto_B12
P. 52
3 Write number sentences for each mass given in the box by using a balance

and weights (1 g, 4 g, 6 g). Then mark for the mass you cannot find.

object 1 g 6 g 4 g The mass of an object is 9 grams if the
balance remains level when placing a
1 gram weight and an object on the left
side, and 6 gram and 4 gram weights
are placed on the right side.

Mass of an object: 6+4-1=9 (g)

Mass (g) Number sentence Mass (g) Number sentence
1 1 7 6+4-1=9
2 8
3 9
4 10
5 11
6 12

4. Mass 49
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