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BASIC MATH
#1. ADDITION
1. WRITE THE SKIP NUMBERS
https://scratch.mit.edu/projects/833091155
2. ADDITION OF 3 NATURAL NUMBERS SINGLE DIGIT
https://scratch.mit.edu/projects/833097773
3. ADDITION OF 3 DECIMAL NUMBERS SINGLE DIGIT
https://scratch.mit.edu/projects/833104388
4. ADDITION OF 3 FRACTIONAL NUMBERS SINGLE OR DOUBLE DIGIT WITH SAME DENOMINATOR
https://scratch.mit.edu/projects/833110983
5. ADDITION OF 2 DECIMAL NUMBERS SINGLE DIGIT
https://scratch.mit.edu/projects/829505320
6. ADDITION OF 2 DECIMAL NUMBERS TWO DIGIT
https://scratch.mit.edu/projects/829788745
7. ADDITION OF 2 FRACTIONAL NUMBERS SINGLE OR DOUBLE DIGIT WITH SAME DENOMINATOR
https://scratch.mit.edu/projects/829790279
8. ADDITION OF 2 NATURAL NUMBERS SINGLE DIGIT
https://scratch.mit.edu/projects/829001191
9. TOTAL VALUE STATEMENT PROBLEMS 3 NUMBERS
https://scratch.mit.edu/projects/833498204
10. TOTAL VALUE STATEMENT PROBLEMS
https://scratch.mit.edu/projects/833145851
11. ADDITION OF 2 NATURAL NUMBERS DOUBLE DIGIT
https://scratch.mit.edu/projects/829504939
12. ADDITION OF 2 NATURAL NUMBERS AND SUBTRACTION OF ANOTHER FROM IT
https://scratch.mit.edu/projects/834040117
13. ADDITION OF 2 NUMBERS THEN SUBTRACTION STATEMENT PROBLEMS WITH VERIFICATION
https://scratch.mit.edu/projects/836028814
14. ADDITION OF 3 NATURAL NUMBERS DOUBLE DIGIT
https://scratch.mit.edu/projects/833102490
15. ADDITION OF 3 DECIMAL NUMBERS TWO DIGIT
angles
Page containing External links to understand angles in degrees and in radians (Math File F001) Click here>>
exponents
Page containing External links to simple exponents (Math File F0022) Click here>>
linear equations in one variables
Page containing External links to linear equations in one variable (Math File F010) Click here>>
fractional numbers
Page containing External links to BODMAS simplification of fractions (Math File F0030)
Click here>>
highest common factor and least common multiple
Page containing External links to calculations based on HCF and LCM (Math File F0036)
Click here>>
external links
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Please note: Web pages on the ARRAO'S ILEARNSNAP® Site which is ilearnsnap.com containing one or more links to external Internet sites may carry the above statement, in its entirety.
1 / Find the area of sector
Grade 10 CBSE Areas related to circles practice game. Go to scratch website to play it >>
2 / Find the quadratic expression if sum and product of roots are given
Go to YouTube playlist to watch it >>
Grade 10 CBSE Polynomials practice game. Go to scratch website to play it >>
3 / Circumference or perimeter of a circle
Grade 5 onwards CBSE Circles practice game. Go to scratch website to play it >>
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4 / Find the roots of quadratic polynomial by splitting the middle term
Grade 10 CBSE Polynomials practice game. Go to scratch website to play it >>
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Life Processes grade 10
1 / Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?
Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
2 / What criteria do we use to decide whether something is alive?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
4 /
Grade 10 CBSE Polynomials practice game. Go to scratch website to play it >>
Go to YouTube playlist to watch it >>
Life Processes grade 10
1 / Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?
Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
2 / What criteria do we use to decide whether something is alive?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
3 / What are 'outside raw materials' used for by an organism?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
4 / What processes would you consider too crucial for maintaining life?
Grade 10 CBSE Life processes practice game.
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5 / What are the differences between autotrophic nutrition and heterotrophic nutrition?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
6 / What are the functions of digestive enzymes?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
7 / What are the components of transport system in highly organized plants?
Grade 10 CBSE Life processes practice game.
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8 / What is translocation?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
9 / How is food made to move in phloem?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
10 / Prove experimentally that conduction of water takes place through Xylem.
Grade 10 CBSE Life processes practice game.
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11 / Describe the internal structure of human heart.
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
12 / Describe the double cycle of the heart.
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
13 / Why is septum of the heart crucial to humans?
Grade 10 CBSE Life processes practice game.
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14 / How are lungs designed in human beings to maximize the area for exchange of gases?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
15 / What are the methods used by plants to get rid of excretory products?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
16 / How is the amount of urine produced regulated?
Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
17 / Describe the components of blood.
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
18 / Describe the types of blood vessels in human body.
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
19 / Describe the lymph system in human body.
Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
20 / Where do plants get each of the raw materials required for photosynthesis?
Go to playlist on YouTube to watch it >>
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
21 / What is the role of acid in our stomach?
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Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
22 / Describe the structure and functioning of nephrons and human renal system.
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Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
23 / How is the small intestine designed to absorb digested food?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
24 / What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
25 / What are the different ways in which glucose is utilized to provide energy in various organisms?
Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
26 / What happens to the energy released during respiration?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
27 / How is oxygen and carbon dioxide transported in human beings?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
Chemical reactions & equations grade 10
1 / Explain the following terms with one example each. a) Corrosion b) Rancidity
Grade 10 CBSE Life processes practice game.
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2 / Why do we apply paint on iron articles?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
3 / Oil and fat containing food items are flushed with nitrogen. Why?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
4 / What do you mean by precipitation reaction? Explain by giving examples.
Grade 10 CBSE Life processes practice game.
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5 / What does one mean by exothermic and endothermic reactions? Give examples.
Watch on YouTube playlist >>
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
6 / Why are decomposition reactions called opposite of combination reactions? Write equations for these reactions.
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
7 / Write one equation each for decomposition reactions where energy is supplied in the form of heat, light and electricity.
Grade 10 CBSE Life processes practice game.
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8 / What is the difference between displacement and double displacement reaction?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
9 / Iron oxide reacts with aluminium to give aluminium oxide and iron. This reaction is an example of ________ reaction.
Exothermic reaction & displacement reaction
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
10 / What happens when dilute hydrochloric acid is added to iron filings?
Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
11 / Which of the statements about the reaction below are incorrect?
Lead oxide + Carbon ---> Lead + Carbon dioxide
a) Lead is getting reduced
b) Carbon dioxide is getting oxidised
c) Carbon is getting oxidised
d) Lead oxide is getting reduced
a) Does not make sense as lead is a product, not a reactant (incorrect statement)
b) Does not make sense as carbon dioxide is a product and not a reactant (incorrect statement)
c) True, because carbon gets oxygen and becomes carbon dioxide
d) True, because oxygen is going away from lead oxide
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
12 / A shiny brown coloured element 'X' on heating in air becomes black in colour. Name the element 'X' and the black coloured compound formed.
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
13 / In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.
copper displaces silver from silver nitrate solution to give silver metal and aqueous copper(II) nitrate.
Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
14 / Hydrogen being a highly inflammable gas and oxygen being a supporter of combustion, yet water which is a compound made up of hydrogen and oxygen is used to extinguish fire. Why?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
Organic chemistry Grade 11
1 /What is the catenation property of carbon?
Go to YouTube playlist to watch it>>
Grade 11 CBSE Organic chemistry practice game. Go to scratch website to play it >>
13 / In the refining of silver, the recovery of silver from silver nitrate solution involved displacement by copper metal. Write down the reaction involved.
copper displaces silver from silver nitrate solution to give silver metal and aqueous copper(II) nitrate.
Grade 10 CBSE Life processes practice game.
Go to scratch website to play it >>
14 / Hydrogen being a highly inflammable gas and oxygen being a supporter of combustion, yet water which is a compound made up of hydrogen and oxygen is used to extinguish fire. Why?
Grade 10 CBSE Life processes practice game. Go to scratch website to play it >>
Computer science
1 / What is internet?
Computer science practice game. Go to scratch website to play it >>
2 / List the uses of internet.
Computer science practice game.
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3 / What is a website?
Computer science practice game. Go to scratch website to play it >>
4 / What is a webpage?
Computer science practice game. Go to scratch website to play it >>
5 / What is a search engine?
Computer science practice game.
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6 / What is a web browser?
Computer science practice game. Go to scratch website to play it >>
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