Chapter 5 – Numbers from Ten to Twenty


Page No 70:

Question 1:

Make a group of 10.

Answer:

Page No 71:

Question 1:

Make a group of 10 and write numbers.

Answer:

Page No 72:

Question 1:

Make a group of 10.
   

Answer:

   

Page No 73:

Question 1:

Fill in the blanks.

Answer:

Page No 74:

Question 1:

Fill in the blanks.

Answer:

Page No 79:

Question 1:

Answer:

Page No 81:

Question 1:

Write the missing numbers.

Answer:

Question 2:

What comes after 18?
What comes after 14?

Answer:

Question 3:

What comes before 16?
Write numbers before and after 9.

Answer:

Question 4:

Write numbers before and after 18.
Write numbers before and after 10.

Answer:

Page No 82:

Question 1:

Circle the bigger number.

Answer:

Question 2:

Circle the smaller number.

Answer:

Page No 83:

Question 1:

Circle the biggest number.

Answer:

Question 2:

Circle the smallest number.

Answer:

Page No 84:

Question 1:

Addition

Answer:

Page No 85:

Question 1:

Answer:

Question 2:

Rahul has 8 pencils. Sonu has 7 pencils. How many pencils do they have altogether?

Answer:

Number of pencils Rahul has = 8 Number of pencils Sonu has = 7 Total number of pencils both Rahul and Sonu have = 8 + 7 = 15 Thus, they have 15 pencils.

Question 3:

Farida plucked 4 apples. Sita plucked 6 apples. Both put them together. How many apples are there now?

Answer:

Number of apples plucked by Farida = 4 Number of apples plucked by Sita = 6 Total number of apples plucked by both Farida and Sita = 4 + 6 = 10 Thus, Farida and Sita have 10 apples now.

Page No 86:

Question 1:

Subtraction  

Answer:

Question 2:

 

Answer:

Page No 87:

Question 1:

Sohan’s mother brought 9 bananas from the market. She gave 4 bananas to Sohan. How many bananas was she left with?

Answer:

Number of bananas bought by Sohan’s mother = 9 Number of bananas given to Sohan = 4 Number of bananas left with Sohan’s mother = 9
-4 = 5 Thus, 5 bananas were left with Sohan’s mother.

Question 2:

Rahim had 8 flowers. He put three flowers in a vase. How many flowers was he left with?

Answer:

Number of flowers Rahim had = 8 Number of flowers put in the vase = 3 Number of flowers left with Rahim = 8
-3 = 5 Thus, Rahim was left with 5 flowers.

Page No 88:

Question 1:

Addition practice 

Answer:

Question 2:

Subtraction practice

Answer:

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