Printable Textbook: Add Our Points - Level 2 | Mental Maths - Class 1 PDF Download

 Page 1


ME NT AL
MA T   HS
61
 
Add Our Points
Summary
1. A coin look like
  Heads Tail
 A 10 rupee note
 A 5 rupee note
 A 10 rupee coin
 A 20 rupee note
 A 50 rupee note
Page 2


ME NT AL
MA T   HS
61
 
Add Our Points
Summary
1. A coin look like
  Heads Tail
 A 10 rupee note
 A 5 rupee note
 A 10 rupee coin
 A 20 rupee note
 A 50 rupee note
ME NT AL
MA T   HS
62
2. Different ways to make a sum of 10.
 1+9 = 10
 2+8 = 10
 3+7 = 10
 4+6 = 10
 5+5 = 10
 4+6 = 10
 3+7 = 10
 2+8 = 10
 1+9 = 10
3. Different ways to make sum of 20
 1+19  11+9
 2+18  12+8
 3+17  13+7
 4+16  14+6
 5+15  15+5
 6+14  16+4
 7+13  17+3
 8+12  18+2
 9+11  19+1
 10+10  
Note for teacher: Children needs to given enough situations where they 
would get sum of 10 & 20. Various activities & questions needs to be given 
to children for practice so that they get to understand different way to get a 
sum of 10 & 20. This is the stage to develop ‘known fact related to addition’ 
in children.
Page 3


ME NT AL
MA T   HS
61
 
Add Our Points
Summary
1. A coin look like
  Heads Tail
 A 10 rupee note
 A 5 rupee note
 A 10 rupee coin
 A 20 rupee note
 A 50 rupee note
ME NT AL
MA T   HS
62
2. Different ways to make a sum of 10.
 1+9 = 10
 2+8 = 10
 3+7 = 10
 4+6 = 10
 5+5 = 10
 4+6 = 10
 3+7 = 10
 2+8 = 10
 1+9 = 10
3. Different ways to make sum of 20
 1+19  11+9
 2+18  12+8
 3+17  13+7
 4+16  14+6
 5+15  15+5
 6+14  16+4
 7+13  17+3
 8+12  18+2
 9+11  19+1
 10+10  
Note for teacher: Children needs to given enough situations where they 
would get sum of 10 & 20. Various activities & questions needs to be given 
to children for practice so that they get to understand different way to get a 
sum of 10 & 20. This is the stage to develop ‘known fact related to addition’ 
in children.
ME NT AL
MA T   HS
63
Golu had a bag with some balls. He told his friends that he had 15 red, 15 
green and 15 blue balls in his bag. They played a game with there balls.
• Hamid picked up 5 blue and 7 green balls.
• Then come Anuj, to pick up 8 red and 9 blue balls.
• At last Deepak picked up 7 red and 7 green balls.
Now Golu asked them some question (1 to 5)
1. What is the total number of balls in my bag?
2. How many balls did Hamid pick in total?
3. Who amongst us picked the same number of balls?
4. How many balls were picked by Anuj?
5. Who picked up the highest number of balls in total?
(Note for teacher: While solving Q. 1 to 5 students should be given enough 
time to think and solve the problem. Teacher may use blackboard and should 
give them questions one by one. Actual process of solving questions is more 
important than the answers.)
6. Which is the most costly pair?
?75 ?65 ?55 ?85
 (a) (b) (c) (d)
Page 4


ME NT AL
MA T   HS
61
 
Add Our Points
Summary
1. A coin look like
  Heads Tail
 A 10 rupee note
 A 5 rupee note
 A 10 rupee coin
 A 20 rupee note
 A 50 rupee note
ME NT AL
MA T   HS
62
2. Different ways to make a sum of 10.
 1+9 = 10
 2+8 = 10
 3+7 = 10
 4+6 = 10
 5+5 = 10
 4+6 = 10
 3+7 = 10
 2+8 = 10
 1+9 = 10
3. Different ways to make sum of 20
 1+19  11+9
 2+18  12+8
 3+17  13+7
 4+16  14+6
 5+15  15+5
 6+14  16+4
 7+13  17+3
 8+12  18+2
 9+11  19+1
 10+10  
Note for teacher: Children needs to given enough situations where they 
would get sum of 10 & 20. Various activities & questions needs to be given 
to children for practice so that they get to understand different way to get a 
sum of 10 & 20. This is the stage to develop ‘known fact related to addition’ 
in children.
ME NT AL
MA T   HS
63
Golu had a bag with some balls. He told his friends that he had 15 red, 15 
green and 15 blue balls in his bag. They played a game with there balls.
• Hamid picked up 5 blue and 7 green balls.
• Then come Anuj, to pick up 8 red and 9 blue balls.
• At last Deepak picked up 7 red and 7 green balls.
Now Golu asked them some question (1 to 5)
1. What is the total number of balls in my bag?
2. How many balls did Hamid pick in total?
3. Who amongst us picked the same number of balls?
4. How many balls were picked by Anuj?
5. Who picked up the highest number of balls in total?
(Note for teacher: While solving Q. 1 to 5 students should be given enough 
time to think and solve the problem. Teacher may use blackboard and should 
give them questions one by one. Actual process of solving questions is more 
important than the answers.)
6. Which is the most costly pair?
?75 ?65 ?55 ?85
 (a) (b) (c) (d)
ME NT AL
MA T   HS
64
30 + 5 31 + 4 32 + 3 33 + 3
7. Which is greatest?
 (a)  49 (b)    40+9 (c)   50-1 (d)   50+1
8. Find the odd one out
  (a) (b) (c) (d)
9. Rahul has ?50 with him. Which of the following items can he buy ?
  39+15 30+20
  (a) (b)
  35+20 32+28 
  (c) (d)
10. I have 35 oranges and 25 mangos with me. I want to distribute these fruits 
to children one each. How many children will get one fruit each?
11. While making a garland a shopkeeper want to add 24 red flowers and  
26 orange flowers in it. What is the total number of flowers in it?
12. 15 = 1 + 3 + 5 + ________
Page 5


ME NT AL
MA T   HS
61
 
Add Our Points
Summary
1. A coin look like
  Heads Tail
 A 10 rupee note
 A 5 rupee note
 A 10 rupee coin
 A 20 rupee note
 A 50 rupee note
ME NT AL
MA T   HS
62
2. Different ways to make a sum of 10.
 1+9 = 10
 2+8 = 10
 3+7 = 10
 4+6 = 10
 5+5 = 10
 4+6 = 10
 3+7 = 10
 2+8 = 10
 1+9 = 10
3. Different ways to make sum of 20
 1+19  11+9
 2+18  12+8
 3+17  13+7
 4+16  14+6
 5+15  15+5
 6+14  16+4
 7+13  17+3
 8+12  18+2
 9+11  19+1
 10+10  
Note for teacher: Children needs to given enough situations where they 
would get sum of 10 & 20. Various activities & questions needs to be given 
to children for practice so that they get to understand different way to get a 
sum of 10 & 20. This is the stage to develop ‘known fact related to addition’ 
in children.
ME NT AL
MA T   HS
63
Golu had a bag with some balls. He told his friends that he had 15 red, 15 
green and 15 blue balls in his bag. They played a game with there balls.
• Hamid picked up 5 blue and 7 green balls.
• Then come Anuj, to pick up 8 red and 9 blue balls.
• At last Deepak picked up 7 red and 7 green balls.
Now Golu asked them some question (1 to 5)
1. What is the total number of balls in my bag?
2. How many balls did Hamid pick in total?
3. Who amongst us picked the same number of balls?
4. How many balls were picked by Anuj?
5. Who picked up the highest number of balls in total?
(Note for teacher: While solving Q. 1 to 5 students should be given enough 
time to think and solve the problem. Teacher may use blackboard and should 
give them questions one by one. Actual process of solving questions is more 
important than the answers.)
6. Which is the most costly pair?
?75 ?65 ?55 ?85
 (a) (b) (c) (d)
ME NT AL
MA T   HS
64
30 + 5 31 + 4 32 + 3 33 + 3
7. Which is greatest?
 (a)  49 (b)    40+9 (c)   50-1 (d)   50+1
8. Find the odd one out
  (a) (b) (c) (d)
9. Rahul has ?50 with him. Which of the following items can he buy ?
  39+15 30+20
  (a) (b)
  35+20 32+28 
  (c) (d)
10. I have 35 oranges and 25 mangos with me. I want to distribute these fruits 
to children one each. How many children will get one fruit each?
11. While making a garland a shopkeeper want to add 24 red flowers and  
26 orange flowers in it. What is the total number of flowers in it?
12. 15 = 1 + 3 + 5 + ________
ME NT AL
MA T   HS
65
 Lalu and Peelu were going for morning walk in a park. Lalu found his 
favorite Red Chilli and Peelu found Some mango
13. How many mangoes does Peelu eat?
14. How many Chilli does Lalu eat?
 Lodoos eaten by Bheema in three days are as following
  First day Second day third day
 Morning 10 9 15
 Evening 8 25 16
15. On which day he eat maximum ladoos.
16. On which day he eat minimum ladoos.
PILU
LALU