Try to recreate ‘A Person’, ‘Wavy Wave’, and ‘Eyes’ from the section Artwork, using ideas involved in the ‘House’ construction.

Try to recreate ‘A Person’, ‘Wavy Wave’, and ‘Eyes’ from the sect…

Determine if the following ratios form a proportion: $39$ litres : $65$ litres and $6$ bottles : $10$ bottles

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The ratio of the income to the expenditure of a family is $7 : 6$. Find the saving if the income is $Rs. 1400.$

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Which ratio is larger in the following pairs? $15 : 16$ or $24 : 24$

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Draw a picture and write an addition statement as above to show:
(a) 5 times $\frac{1}{4}$ of a roti
(b) 9 times $\frac{1}{4}$ of a roti

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Calculate the digit sums of
(i) 4-digit numbers
(ii) 5-digit numbers
whose digits are consecutive. Do you notice any pattern?

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Write four pairs of integers which are at the same distance from $2$ on the number line.

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Estimate each of the following by rounding off each number to nearest tens.

$a.\ 11963 - 9369$

$b.\ 76877 - 7783$

$c.\ 10732 - 4354$

$d.\ 78203 - 16407$

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Solve the following equation and verify the answer: $x - 7 = 6$

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Divide $Rs. 3450$ among $A, B$ and $C$ in the ratio $3 : 5 : 7.$

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If a number is tripled and the result is increased by $5$, we get $50$. Find the number.

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