Decimals — Maths STD 6 — Question

Estimate sum to the nearest ten:
(86 + 19)

The final marks in mathematics of 30 students are as follows:
53, 61, 48, 60, 78, 68, 55, 100, 67, 90
75, 88, 77, 37, 84, 58, 60, 48, 62, 56
44, 58, 52, 64, 98, 59, 70, 39, 50, 60
What is the lowest score?

Write the absolute value of the following:
a - 7, if a is greater than 7

The weights of new born babies (in kg) in a hospital on a particular day are as follows:
2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4
Determine the range.

Write the following statement as an equation:
A number exceeds 5 by 3.

Which of the following statement are true and false?
The centre of a circle bisects each chord of the circle.

Explain the following:
Diameter.

Write all integers between:
-7 and 3

The weights of new born babies (in kg) in a hospital on a particular day are as follows:
2.3, 2.2, 2.1, 2.7, 2.6, 3.0, 2.5, 2.9, 2.8, 3.1, 2.5, 2.8, 2.7, 2.9, 2.4
How many babies weigh 2.8kg?

Give three examples from your environment of:
Points.