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

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        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

  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

    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

        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

      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

          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, 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

        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

            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

  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.    

    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

          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.                                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.   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