perform estimation and basic calculation

Question 1

refers to the size of the surface

Answer 1

area

Question 2

any material added to the soil to support nutrient

Answer 2

fertilizers

Question 3

development of the seed into a young plant

Answer 3

germination

Question 4

drawing in which the relationship between two (or more) items of information (e.g.Time and plant growth) is shown in a symbolic way

Answer 4

graph

Question 5

the equivalent value of the product sold

Answer 5

gross income / sales

Question 6

corresponding value that will be added to the principal as payment for using money of the lender

Answer 6

interest

Question 7

refers to the work performed by farm workers in exchange for salary

Answer 7

labor

Question 8

value remains after all the expenses have been deducted from the gross
income or sales

Answer 8

net income

Question 9

refers to the amount you owed

Answer 9

principal

Question 10

content of a body or object

Answer 10

volume

Question 11

refers to the number of day/s the work will be completed by 1
person and 1 animal

Answer 11

MAD ( Mad Animal Day )

Question 12

refers to the number of day/s the work will be completed by 1 person

Answer 12

MD (Manday)

Question 13

triangle

Answer 13

0.5 × b × h = n²

Question 14

square / rectangle

Answer 14

l × w = n²

Question 15

rhombus or parallelogram

Answer 15

b × h = n²

Question 16

trapeziums

Answer 16

0.5 ( b + t ) h

Question 17

circle

Answer 17

1/4 (3.14 × d × d)

Question 18

division of irregular field into regular areas

Answer 18

A = As + Ar + At

Question 19

field of regular shape

Answer 19

surface area in hectares = (l × w) ÷ 10000

Question 20

a block ( volume )

Answer 20

l × w × h

Question 21

cross section

Answer 21

0.5 ( base + top line ) × h

Question 22

wetted cross section

Answer 22

0.5 ( base + top line ) × water depth

Question 23

flow rate

Answer 23

l/s = volume of water ÷ time

Question 24

means literally “per hundred”; in other words one percent is the one hundredth part of the total.

Answer 24

percentage

Question 25

percentage

Answer 25

percentage / 100

20% = 20/100 = 0.20

Question 26

15% of 28 hectares

Answer 26

15/100 = 0.15 × 28 = 4.2 ha

Question 27

drawing in which the relationship between two (or more) items of information (e.g. time and plant growth) is shown in a symbolic way.

Answer 27

graph