Mathematics is the science of numbers and their operations  interrelations, combinations, generalizations, and abstractions and of space  configurations and their structure, measurement, transformations, and generalizations Algebra, arithmetic, calculus, geometry, and trigonometry are all branches of mathematics.
From Preschool to Senior secondary.

Author: Chinwe

## Mathematics. Junior WAEC Questions and Answer.

Author: Chinwe

Waec 2020 Maths Obj Questions (Sample) The following are likely questions you will come across in 2020 BECE Mathematics Objective Questions. The good news is that all the Questions and 101 more have been fully solved in the videos. What is the place value of 7 in the number 526.97? A. 7 ….  Read More

## SS3 & SS2 Mathematics. Topic: WAEC Past Questions and Answers on Inequality.

Author: ChinweComplexity: Standard

#Very necessary.

## SS2 Christmas Term, Lesson 4 Mathematics. Approximation and and Accuracy, Introduction.

Author: Chinwe

Lesson 4  Approximation and Accuracy, Introduction.     Approximation is  To find a value that is close enough to the right answer, usually with some thought or calculation involved. Approximation is also called “estimation” in American Maths. Examples: • the cord measures 2.91, and you round it to “3”, as that ….  Read More

## Christmas Term SS2, Lesson 5 Mathematics/Numeracy. Accuracy and Precision in Measurement of a Set.

Author: Chinwe

Lesson 5   Accuracy and Precision In Measurement of a set.   In measurement of a set, accuracy is closeness of the measurements to a specific value, while precision is the closeness of the measurements to each other. Accuracy has two definitions: More commonly, a description of systematic errors  (are errors that are not determined by chance but are introduced ….  Read More

## SS2 Christmas Term, Lesson 4 Maths. Approximation, Accuracy and Precision.

Author: Chinwe

Lesson 5   Accuracy and Precision. Degree of Accuracy Degree of Accuracy depends on the instrument we are measuring with. But as a general rule: The Degree of Accuracy is half a unit each side of the unit of measure. Examples: When an instrument measures in “1”s any value between 6½ and 7½ is measured as “7” When an instrument ….  Read More

## Christmas Term SS2, Mathematics, Lesson 6. Answers to Class Activity, Lesson 5. Degree of Accuracy/ Errors in Measurement.

Author: Chinwe

Lesson 6 Errors in Measurement.  Answerss to Class Activity on Leson 5,  Degree of Accuracy  #errors . Question 1. Class Activity . Submit now. 1. You measure the plant to be 80 cm high (to the nearest cm) . Find percentage error. Solution:   This means you could be up to ….  Read More

## Christmas Term SS2, Lesson 7 Maths. Sequence and Series.

Author: Chinwe

Lesson 7 Sequences and Series.         Sequences and Series I am sure every one of you must be having your piggy banks. So, suppose you put  ₦100 today in your piggy bank. Next day you put ₦10. Again on the third day, you put ₦ 10. So in this ….  Read More

## SS2 Christmas Term, Less 8 Mathematics. Arithmetic Sequence/ Progression + Answers to Lesson 7 Exercise.

Author: Chinwe

Arithmetic Sequence Progression Recapture….. What is a Sequence? A sequence or progressions is a list of numbers in a special order. It is a string of numbers following a particular pattern, and all the elements of a sequence are called its terms. There are various types of sequences which are universally accepted, but ….  Read More

## YHWH HAMASCHIAC School, SS2 Christmas Term. Mathematics.

Author: Chinwe

YHWH HAMASCHIAC School, Christmas Term, SS2 Exam. Subject : Maths Section A. Answer 2 questions. 30 Marks.     Explain what is a sequence with example?   Write first five terms of AP, when a = 23 and d = -5. 3.Question: For an essay writing competition, a total of four entries ….  Read More

## Easter Term SS2 Lesson 3 Maths. Geometric Progression or Geometric Sequence Worked Examples 1

Author: Chinwe

Flash back to last lesson A geometric progression or Geometric sequence  is a sequence in which any element after the first is obtained by multiplying the preceding element by a constant called the common ratio which is denoted by r.  In other words …. In a Geometric Sequence each term is found by multiplying the previous ….  Read More

## Easter Term SS2, Lesson 4, Maths. Geometric Progression/ Sequence: Correction on Lesson 3 and Exercises.

Author: Chinwe

Correction on Lesson 3 Or follow this link   Assignment Sum the first 4 terms of   Sum the first 4 terms of 10, 30, 90, 270, 810, 2430, …       Solution 10, 30, 90, 270, 810, 2430, … This sequence has a factor of 3 between each number. ….  Read More

## SS2 Easter Term, Lesson 6 Maths. Summing a Geometric series : Correction of Lesson 5 Assignment

Author: Chinwe

Correction on Lesson 5 Class Exercise   Question 1. Calculate 0.999… Solution: We can write a recurring decimal as a sum like this: And now we can use the formula: Yes! 0.999… does equal 1.

## SS2 Easter Term, Lesson 7, Maths. Logical Reasoning .

Author: Chinwe

Logical Reasoning Find detective stories fascinating? Yes! we all do. But, it’s even more fascinating while solving all such mysteries everything boils down to one simple thing- logical reasoning! Logical reasoning is a skill that needs us to put our logical thinking to a better use. It is all about analyzing all the ….  Read More

## SS2 Easter Term, Lesson 8 Maths. Logical Reasoning. Correction of Lesson 7 Class Exercise/ Heights & Distances.

Author: Chinwe

Correction of  Lesson 7 Class Exercise.   1: In the following sequences, one of the sequences has an incorrect entry. Find that series from the options present below: A) 2, 4, 16, 256        B) 1, 1, 1, 1         C) 3, 12, 156, 244922         D) 2, 2, 2, 2 ….  Read More

## YHWH HAMASCHIAC School, SS2 Mathematics CA. Easter Term.

Author: Chinwe

YHWH HAMASCHIAC School, SS2 Mathematics CA. Easter Term.                                SS2 Mathematics   Time: 2hr   Answer     1: In the following sequences, one of the sequences has an incorrect entry. Find that series from the options present below: A) 2, 4, 16, 256        B) 1, 1, 1, 1         C) 3, ….  Read More

## YHWH HAMASCHIAC School, SS2 Mathematics CA. Easter Term, 2021.

Author: Chinwe

YHWH HAMASCHIAC School, SS2 Mathematics CA. Easter Term.   SS2 Mathematics   Time: 2hr   Answer all the question.     1: In the following sequences, one of the sequences has an incorrect entry. Find that series from the options present below: A) 2, 4, 16, 256        B) 1, 1, 1, ….  Read More