## CBSE Notes For Class 3 Maths Mela Chapter 4 Vacation With My Nani Maa

Can you tell me what the trick is?

**Let Us Do**

**Perform the trick on your friends. Write the numbers of hidden seeds in the table below.**

**Read and Learn More CBSE Solutions For Class 3 Maths**

7 Balushahi – 5 Balushahi = _________ Balushahi

Chirag got 9 story books for Nani Maa and Nandini got 7 puzzle books for Nani Maa. How many total books did the children get for Nani Maa?

**Let Us Do**

Use the tens frame to solve the following.

- 6+8 = ________
- 5+10 = _________
- 9-6 = _______
- 18-9 = _________

**Let Us Play**

Make four sets of number cards with numbers 1 to 10. Shuffle and spread out all cards facing down. Take turns with your friends to open one card at a time. When you open look at your card, and the cards are already opened.

If any three cards make an addition or a subtraction statement, you can keep all three cards. Else, put it down and opened. For example, Nandini opens 4. Numbers 2 and 6 have already been opened. So Nandini can keep all three cards 2, 4, and 6. The game continues till all cards are opened. Whoever collects the greatest number of cards wins the game.

Nandini and Chirag have got their stamps to show to their friends and Nani Maa.

How many stamps do they have now?

Nandini, Chirag, and Nani Maa figured out the answer in three different ways using their inlaid:

**Let Us Do**

Nandini and Chirag have 22 stamps. Nani Maa’s brother gives them his collection of 30 stamps. How many stamps do they have now?

They now have 52 stamps. Nandini and Chirag counted and found that they have 37 stamps with faces of famous persons and the remaining with pictures of monuments.

How many stamps with pictures of monuments do they have?

How many more stamps will they need? Figure it out using the number line.

**Let Us Do**

**Question 1. Solve using a ginaladi.**

- 34+6
- 23+12
- 33-5
- 42-15

**Question 2. A frog is jumping on the ginladi. He is at 7. He wants to jump 10 beads at a time. mark the beads that he will jump on and write the numbers.**

**Question 3. The frog again jumps forward by 10 each time. Mark all the places where the frog will land.**

**Question 4. The grasshopper jumps backward by 10 each time. Mark all the beads that the grasshopper will jump on and write numbers.**

Some ants are carrying big leaves to their homes. They will eat these leaves in the rainy season. Nani Maa can tell how many ants there are without looking under the leaves. Can you also tell me how many ants are under the leaves? Fill in the answers in the boxes provided.

**Question 5. Fill in the tables by jumping as instructed.**

**Let Us Play**

**Adding and Subtracting Smartly with the Number Grid**

Let us play a grid game. Each player takes turns rolling two dice to make a two-digit number and moves the counter by the number they have made. They can choose to move forward or backward. The first to reach a number between 91 and 100 is the winner!

**Question 1. Use the number grid to answer the following. Show your thinking by drawing arrows in the grid.**

- Nandini is at 45. She gets 34. She will land on ________.
- Chirag is at 75. He gets 56. He will land on _________.
- Nandini is at 30. She gets 66. She will land on __________.
- Chirag is at 89. He gets 63. He will land on ___________.

**Magic Sums**

Nandini and Chirag find some puzzles that Nani Maa has solved.

Observe the numbers. What do you notice?

Fill in the boxes below. In each puzzle, all numbers 1-9 are there. The numbers in each row add up to the number in the box on the right. The numbers in each column add up to the number in the box below.

Add the numbers in the blue boxes and the numbers in the red boxes in each of the puzzles. What do you find?

Nani Maa was doing something in the newspaper. Nandini and Chirag looked into what she was doing.

Magic magic magic!!!

With numbers1 to 9

Add the numbers in a line

From left to right

And from top to bottom

Didyoufind the magic?

Now, try from right to left

And from bottom to top

Isn’t it magical?

There is something more,

something more

Add the numbers on the diagonal

Isn’t it magical?

Fill in the blanks to complete the magic square

Nandini and Chirag went to their Nani Maa’s field. Nani Maa has two fields.

Nani Maa has plucked 25 red radishes and 36 white radishes. How many total radishes has she plucked?

Nandini starts by drawing the problem on the ground.

We need to add 25 and 36 to find the total number of radishes.

Nani Man puts tomatoes and carrots in a box and writes 100 on it.

**Circle the bundle of sticks that shows the correct number of carrots.**

**Solve the above problem on the number line.**

Nani Maa asks Nandini and Chirag to pluck the ripe apples. Woho! so many of them.

Try finding out the answer on the number line below.

Who collected more, Nandini or Chirag? How much more?

Chirag draws a box diagram for the problem.

**Solve the following problems by first drawing the box diagrams, Use matchstick bundles or a number line to find the answer.**

- Babli didi sold 34 books on Monday and 45 books on Tuesday. How many books did she sell in the two days? How many more did she sell on Tuesday than on Monday?
- In a cricket match at Rosary School, Team Red made 56 runs before lunch and 65 runs after lunch. How many total runs did they make?
- Rama sells vadas in the school canteen. She has sold 39 vadas on the first day. She sold 12 more the next day. How many vadas did she sell in these two days?
- Gehu brings 56 plants for her terrace garden. Some plants dried up. She is left with 29 plants. How many plants dried up?
- Choose two numbers. Make a word problem using the two numbers. Share it with your classmates.

**Let Us Play**

This game is to be played between two children. The first player should say a number between 1 and 10. The second player adds a number between 1 and 10 to the first player’s number. The first player again adds a number between 1 and 10 to the previous sum. The player to reach 100 first is the winner. An example is given here:

Player 1 wins this round!

Play this game with your friends.

**Let Uo Do**

**Question 1. Estimate the answer and say if it will be more or less than 100. Match with the correct one.**

**Question 2. Solve the above problems using a number line. Write the answer next to the problem.**