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Grade 7 Online Lessons on Decimals
Work out:
0.073 × 12
(1m 38s)
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1.
What is the place value of all the digits in the following decimal number? 45.27649
2.
Identify the place value of digit 7 in the following decimal numbers. a) 4.3485#ul7# b) 93.184#ul7#
3.
What is the place value of digit 4 in the number 0.01374?
4.
In its research, Poultry Research Company discovered that the mass of a feather was 0.00473 g. Identify the place value of digit 3 in the number.
5.
What is the total value of digit 5 in 6.03954?
6.
Identify the total value of each digit in the following decimal number. 7.38175
7.
Work out: 14.7 × 2
8.
To prepare for school opening, Wakio bought seven pens for the term. The cost of one pen was sh 12.50. Calculate the amount of money she spent on the pens.
9.
A certain company makes exercise books and packs them in cartons before distributing them to various depots across the country. One carton carries 17 books. The mass of one book was 79.991 g. What is the total mass of books in one carton?
10.
Work out: 0.073 × 12
11.
In a restaurant, a chef prepared breakfast by mixing 8 litres of water with milk. The amount of milk was 0.375 times that of water. How many litres of milk did he use?
12.
Chebet is an artist. She used four equal pieces of wood which measured 31.7 cm long each to make a picture frame. What was the total length of the piece of wood she used to make the frame?
13.
A pharmacist packed malaria tablets in dozens. The mass of one tablet was 0.76 g. a) What is the total mass of one dozen of the tablets? b) What is the total mass of 11 dozens of the tablets?
14.
Work out: 45.6 × 0.007
15.
Work out: 0.0054 × 0.12
16.
To promote agriculture in the country, the government lowered the price of one kilogram of fertilizer from 62.50 to 50.25 shillings. Osiany bought 15.5 kg of fertilizer. How much did Osiany save as a result of the reduced price?
17.
After building her house, Halima wanted to paint it using two colors. She bought 4.5 litres of green paint at Ksh 41.25 per litre and 7 litres of blue paint at KSh 53.75 per litre. How much did she spend to buy each colour of paint?
18.
Work out: 4.05 ÷ 3
19.
Work out: 23.192 ÷ 26
20.
Work out: 14.4 ÷ 6
21.
A doctor discovered that a patient was suffering from flu. She prescribed 46.84 ml of a drug to the patient to take in equal doses for eight days. How many millilitres of the drug should the patient take per day?
22.
At a research farm, the scientists discovered that the seedlings took 14 days to increase in height from 7.5 cm to 10.3 cm. What was the increase in height per day if the seedlings growth rate was constant?
23.
Kenya is globally recognized as a home of long distance athletes. To prepare for the Olympics, an athlete ran an equal number of kilometres every day for 35 days. He covered a distance of 653.45 km in the 35 days. What distance did the athlete cover every day?
24.
Work out: 18.288 ÷ 1.2
25.
Work out: 0.624 ÷ 0.12
26.
Work out: 3.182 ÷ 3.7
27.
Work out: 5.64 ÷ 2.5
28.
Etyang is a chef in a certain bakery. He used 25.3 g of eggs to bake birthday cakes for his friends. The mass of one egg was 2.3 g. How many eggs did he use to bake the cake?
29.
Dr. Neema was required to travel to give specialized treatment to patients in a hospital 144.75 km away. Her car covers 9.65 km using one litre of petrol. How many litres of petrol did she require to travel to the hospital?
30.
Musembi is a dairy farmer. He bought 126.5 kg of animal feeds for his cows. He gave all the feeds to the cows. Each cow consumed 5.5 kg of feeds. How many cows does Musembi own?
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