10 Questions
What is the difference in length between the red pencil and the blue pencil if the blue pencil is 5 cm long?
50 mm
In the context of measuring length, which insect would likely fall into the category of 'less than one cm'?
Ant
If Sandhya jumped 3 meters and 60 centimeters, and Shailaja jumped 3 meters and 25 centimeters, what is the difference in length of their jumps?
45 cm
How long is the blue pencil in centimeters?
6 cm
If one millimeter is one-tenth of a centimeter, how many millimeters are there in 7 centimeters?
70 mm
What is the total length of the red pencil in centimeters and millimeters combined?
6.07 cm
How many degrees is the measure of a right angle?
90°
In the activity described in the text with the square paper, how many times is the paper folded to create the angles?
4 times
What is the significance of the point where the four folds on the square paper meet?
It marks the center of the square
How can one find the center of a circle according to the text?
Folding the circle to form four angles
Study Notes
Measuring Length
- The blue pencil is 5 cm long.
- An insect that would likely fall into the category of 'less than one cm' is an ant.
Comparing Jumps
- Sandhya jumped 3 meters and 60 centimeters.
- Shailaja jumped 3 meters and 25 centimeters.
- The difference in the length of their jumps is 35 centimeters.
Converting Units
- The blue pencil is 5 cm long, which is equal to 50 mm (since 1 cm = 10 mm).
- There are 70 mm in 7 cm (since 1 cm = 10 mm).
Geometry
- A right angle measures 90 degrees.
- The paper is folded four times to create angles in the activity.
- The point where the four folds on the square paper meet is the center of the paper.
- One way to find the center of a circle is to fold the paper in half twice.
Test your knowledge on measuring lengths by comparing different objects' sizes, estimating line lengths, and recording measurements in centimeters and millimeters.
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