Solve the following word problems involving addition and subtraction of apples and toys.

Jitin had 8 green apples and exchanged 2 green ones.

$$8 - 2 = 6$$

Jitin had 6 red apples and received 2 red ones.

$$6 + 2 = 8$$

Jitin now has 6 green apples and 8 red apples.

2.

You had 11 green apples and exchanged 4 green ones.

$$11 - 4 = 7$$

You had 7 red apples and received 4 red ones.

$$7 + 4 = 11$$

You now have 7 green apples and 11 red apples.

3.

You had 12 green apples and received 4 green ones.

$$12 + 4 = 16$$

You had 8 red apples and exchanged 4 red ones.

$$8 - 4 = 4$$

You now have 16 green apples and 4 red apples.

4.

You now have 7 red apples, and you exchanged 4 red apples for green ones (meaning you gave away 4 red apples).

$$7 + 4 = 11$$

You now have 6 green apples, and you received 4 green ones.

$$6 - 4 = 2$$

You originally had 2 green apples and 11 red apples.

5.

Siddhant had 11 toys and gave away 4.

$$11 - 4 = 7$$

Rayansh had 8 toys and received 4.

$$8 + 4 = 12$$

Rayansh has 12 toys and Siddhant has 7 toys.

$$12 - 7 = 5$$

Rayansh will have more, by 5 toys.

6.

Siddhant has 9 toys, Rayansh has 12 toys.

$$12 - 9 = 3$$

Rayansh has more, by 3 toys.

Siddhant had 9 toys and received 3.

$$9 + 3 = 12$$

Rayansh had 12 toys and gave away 3.

$$12 - 3 = 9$$

Siddhant has 12 toys, Rayansh has 9 toys.

$$12 - 9 = 3$$

Siddhant will have more, by 3 toys.

7.

Siddhant has 7 toys, Rayansh has 11 toys.

$$7 + 11 = 18$$

Rayansh has 11 toys and needs to have 9.

$$11 - 9 = 2$$

Rayansh must give 2 toys to Siddhant.

8.

Siddhant has 3 toys, Rayansh has 9 toys.

$$3 + 9 = 12$$

Rayansh has 9 toys and needs to have 6.

$$9 - 6 = 3$$

Rayansh must give 3 toys to Siddhant.

9.

Siddhant has 7 toys, Rayansh has 5 toys.

$$7 - 5 = 2$$

Siddhant has 2 more toys than Rayansh.

Siddhant had 7 toys and wins 3.

$$7 + 3 = 10$$

Rayansh had 5 toys and wins 3.

$$5 + 3 = 8$$

Siddhant has 10 toys, Rayansh has 8 toys.

$$10 - 8 = 2$$

Siddhant will still have 2 more toys than Rayansh.

10.

Dinesh had 7 green balloons and exchanged 4 green ones.

$$7 - 4 = 3$$

Dinesh had 6 red balloons and received 4 red ones.

$$6 + 4 = 10$$

Dinesh now has 3 green balloons and 10 red balloons.

11.

Rakesh has 3 pencils, Amit has 7 pencils.

$$3 + 7 = 10$$

Amit has 7 pencils and needs to have 5.

$$7 - 5 = 2$$

Amit must give 2 pencils to Rakesh.

12.

Preeti has 6 chocolates, Rashmi has 12 chocolates.

$$6 + 12 = 18$$

Rashmi has 12 chocolates and needs to have 9.

$$12 - 9 = 3$$

Rashmi must give 3 chocolates to Preeti.