Page 20 - NUMINO Challenge_A2
P. 20
Unmeasurable Lengths
Which object’s length can be measured with the ruler given below?
Explain how its length can be measured.
An eraser: 2 cm A lollipop: 5 cm
3 cm A spoon: 6 cm 1 cm
4 cm
In a Nutshell Measuring Lengths with a Ruler that Has Markings of Dif ferent Lengths
2 cm 4 cm 3 cm Lengths that can be measured
2 cm 4 cm 3 cm by one length of the ruler:
2 cm 6 cm 3 cm 2 cm, 3 cm, 4 cm
4 cm
7 cm Lengths that can be measured
by two lengths of the ruler:
2 cm 4 cm 3 cm
9 cm 6 cm, 7 cm
Length that can be measured
by three lengths of the ruler:
9 cm
17Numbers and Operations
Which object’s length can be measured with the ruler given below?
Explain how its length can be measured.
An eraser: 2 cm A lollipop: 5 cm
3 cm A spoon: 6 cm 1 cm
4 cm
In a Nutshell Measuring Lengths with a Ruler that Has Markings of Dif ferent Lengths
2 cm 4 cm 3 cm Lengths that can be measured
2 cm 4 cm 3 cm by one length of the ruler:
2 cm 6 cm 3 cm 2 cm, 3 cm, 4 cm
4 cm
7 cm Lengths that can be measured
by two lengths of the ruler:
2 cm 4 cm 3 cm
9 cm 6 cm, 7 cm
Length that can be measured
by three lengths of the ruler:
9 cm
17Numbers and Operations
