Revision : Addition of Three Digit Numbers Without Regrouping

Mathematics

Set Work

1. 245 litres + 252 litres

2. Calculate the prime
factors of 12..

3. 500 ml — 150 ml

4. Find the product of
126 and 32

Assignment
1. Subtract 273 litres
from 543 litres.

2. Is number 8 a prime
number?

3. Write out the factors
of number 18.

4. Write the following in
words

a). 257,678
b). 11117

Subject : Mathematics

Topic : Capacity

(Addition and Subtraction)

Content

Capacity is the amount of liquid a container can hold.

L = litre

ml = millilitre

Examples:

Add 5 Litres and 1 Litre.

5 L + 1 L = 6 L

Example 2

40 ml + 30 ml = 70 ml

Examples: 3

Subtract 15 Litre from 20 Litre

20 L – 15 L = 5 L

Example 4

150ml – 130ml = 20ml

Note that: when you are subtracting, the bigger number must always be in the front while the smaller number is at the back. OR

Bigger number at the top while smaller number at the bottom.

Set Work

Add the following.

1. 170 ml + 250 ml

2:. 30 litres + 135 litres

Subtract the following.

3. 6L – 4L

4:. 270ml – 135ml

Assignment

1: 30 Litre + 135 Litre

2: 255 ml + 175 ml

3: 54 Litre – 34 Litre

4: 500 ml – 125 ml