Able to add and subtract single digit numbers and two digit numbers mentally.

__Mental Arithmetic:__

**Able to add and subtract single digit numbers
and two digit numbers mentally:**

1. In a tree planting ceremony, 6 coconut
saplings and 5 neem saplings are planted. Find the total number of saplings
planted.

**6 + 5 = 11**

2. There are 5 tender coconuts in a tree. If they pick 3 tender
coconuts, then find the remaining tender coconuts?

**5 – 3 = 2**

3. 46 boys and 27 girls visited a park on
Sunday. Find the total number of boys and girls who visited the park?

**46 + 27 = 40 + 20 + 6 + 7 = 60 + 6 + 7 = 66 + 7 = 73**

4. 50 pens are in a box. Out of which,
34 pens are given to the students. Find the number of pens left?

**50 – 34 = 16**

5. 70 balls are given to 7 persons. How
many balls are given to each person?

**70 ÷ 7 = 10**

6. 8 books can be arranged in a row. In
how many rows can 48 books be arranged?

**48 ÷ 8 = 6**

7. 10 pens can be kept in a box. How many
boxes are needed to keep 100 pens?

**100 ÷ 10 = 10**

Tags : Information Processing | Term 3 Chapter 7 | 3rd Maths , 3rd Maths : Term 3 Unit 7 : Information Processing

Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail

3rd Maths : Term 3 Unit 7 : Information Processing : Mental Arithmetic | Information Processing | Term 3 Chapter 7 | 3rd Maths

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