Page 21 - NUMINO Challenge_A2
P. 21
An Old Ruler
Type Study The old ruler below was found in the classroom closet. The ruler is
broken on both ends, and some of the marks are erased. Find all the
lengths that can be measured with this ruler.
24 78 10
1 Make a new ruler with dif ferent lengths that are the same as the old
ruler.
2 cm cm cm cm
2 Complete the table.
Number of How the Lengths Can Be Measured Measurable
Different Lengths Lengths
2 cm 3 cm 1 cm 2 cm
One 2 cm 3 cm 1cm 1 cm, 2 cm, 3 cm
Two 2 cm 3 cm 1 cm 2 cm
Three 2 cm 3 cm 1 cm 2 cm
Four 2 cm 3 cm 1 cm 2 cm
3 Write all the measurable lengths.
18 NUMINO Challenge A2
Type Study The old ruler below was found in the classroom closet. The ruler is
broken on both ends, and some of the marks are erased. Find all the
lengths that can be measured with this ruler.
24 78 10
1 Make a new ruler with dif ferent lengths that are the same as the old
ruler.
2 cm cm cm cm
2 Complete the table.
Number of How the Lengths Can Be Measured Measurable
Different Lengths Lengths
2 cm 3 cm 1 cm 2 cm
One 2 cm 3 cm 1cm 1 cm, 2 cm, 3 cm
Two 2 cm 3 cm 1 cm 2 cm
Three 2 cm 3 cm 1 cm 2 cm
Four 2 cm 3 cm 1 cm 2 cm
3 Write all the measurable lengths.
18 NUMINO Challenge A2
