Question $1 .$
10 milligram = ___centigram
Answer:
10 milligram $=1$ centigram
Question $2 .$
10 centigram $=$ ___decigram
Answer:
10 centigram $=1$ decigram
Question $3 .$
10 decigram $=$ __gram
Answer:
10 decigram $=1$ gram
Question $4 .$
gram = ___decagram
Answer:
gram $=1$ decagram
Question $5 .$
____decagram $=1$ hectagram
Answer:
10 decagram $=1$ hectagram
Question $6 .$
10 hectagram $=$ __kilogram
Answer:
10 hectagram $=1$ kilogram
Activity (TextBook Page No. 24 \& 25)
Tick the suitable unit to measure the following objects
Try These (TextBook Page No. $24 \& 25$ )
Convert into grams
Question $1 .$
$2250 \mathrm{mg}$
Answer:
$2250 \mathrm{mg}=2250 \div 1000 \mathrm{~g}$
$=2 \mathrm{~g} \mathrm{} 250 \mathrm{mg}$
Question $2 .$
$5 \mathrm{~kg} 400 \mathrm{~g}$
Answer:
$\begin{aligned}
&5 \mathrm{~kg} 400 \mathrm{~g}=(5 \times 1000)+400 \mathrm{~g} \\
&=5000+400 \mathrm{~g} \\
&=5400 \mathrm{~g}
\end{aligned}$
Try These (TextBook Page No. 26)
Convert into kilogram
Question $1 .$
4000 gram
Answer:
$400 \mathrm{og}=4000 \div 1000 \mathrm{~kg}$
$=4 \mathrm{~kg}$
Question $2 .$
7350 gram
Answer:
$7350 \mathrm{~g}=7350 \div 1000 \mathrm{~g}$
= 7 kg 350g
Question $3 .$
4750 gram
Answer:
$4750 \mathrm{~g}=4750 \div 1000 \mathrm{~g}$
$=4 \mathrm{~kg} 750 \mathrm{~g}$
Try These (TextBook Page No. 27)
Find the sum of the following
Question $1 .$
$5 \mathrm{~kg} 300 \mathrm{~g}+19 \mathrm{~kg} 850 \mathrm{~g}$
Answer:
$\text { Sum }=25 \mathrm{~kg} 150 \mathrm{~g}$
Question $2 .$
$15 \mathrm{~g} 450 \mathrm{mg}+14 \mathrm{~g} 25 \mathrm{mg}+3 \mathrm{~g} 700 \mathrm{mg}$
Answer:
Question $3 .$
$18 \mathrm{~kg} 750 \mathrm{~g}+16 \mathrm{~kg} 400 \mathrm{~g}+3 \mathrm{~kg} 500 \mathrm{~g} \text {. }$
Answer:
Try This (TextBook Page No. 28)
Subtract the following
Try These (TextBook Page No. 29)
MuItiply the following:
Divide the following:
a. $7 \mathrm{~kg} 490 \mathrm{~g} \div 7$
Answer:
b. $35 \mathrm{~kg} \mathrm{} 650 \mathrm{~g} \div 5$
Answer:
c. $6 \mathrm{~g} \mathrm{} 240 \mathrm{mg} \div 4$
Answer:
d. $150 \mathrm{~g} 750 \mathrm{mg} \div 15$
Answer:
Try This (TextBook Page No. 34)
Convert into millilitre:
a. $51500 \mathrm{ml}$
Answer:
$51500 \mathrm{ml}=(5 \times 1000)+500 \mathrm{ml}$
$=5000+500$
$=5500 \mathrm{ml}$
b. $91200 \mathrm{ml}$
Answer:
$91200 \mathrm{ml}=(9 \times 1000)+200 \mathrm{ml}$
$=9000+200$
$=9200 \mathrm{ml}$
c. $21300 \mathrm{ml}$
Answer:
$21300 \mathrm{ml}=(2 \times 1000)+300 \mathrm{ml}$ $=2000+300$
$=2300 \mathrm{ml}$
Activity (TextBook Page No. 34)
Answer:
Try These (TextBook Page No. 35)
Question 1 .
$41300 \mathrm{ml}+61700 \mathrm{ml}$
Answer:
Question $2 .$
$71250 \mathrm{ml}+21300 \mathrm{ml}$
Answer:
Question $3 .$
$51500 \mathrm{ml}-41450 \mathrm{ml}$
Answer:
Question $4 .$
$461300 \mathrm{ml}-121550 \mathrm{ml}$
Answer:
Try These (TextBook Page No. 37)
Question $1 .$
$21250 \mathrm{ml} \times 2$
Answer:
Question $2 .$
$181240 \mathrm{ml} \div 6$
Answer: