Mathematics Revision for JSS 1 | Review Questions

WEEK 11: REVISION OF ALL TOPICS COVERED

Subject: Mathematics

Class: JSS 1

Term: Second Term

Week: 11

Age: 10 – 12 years

Topic: Revision of All Topics Covered

Sub-topic: Review and Practice Questions

Duration: 40 minutes

Behavioural Objectives

By the end of the lesson, students should be able to:

1. Recall and apply key concepts from previous lessons.
2. Answer different types of questions on the topics covered.
3. Improve problem-solving skills using revision exercises.
4. Gain confidence in preparing for upcoming assessments.

Keywords

• Revision
• Review
• Solve
• Answer
• Recall

Set Induction

The teacher will ask quick recall questions from previous lessons, such as:

• “What is the value of 5 squared?”
• “How do you convert a number from base two to base ten?”

Students will give quick responses before moving into detailed revision.

Entry Behaviour

Students have learned about approximation, number bases, basic operations, directed numbers, and algebraic processes.

Learning Resources and Materials

• Flashcards with review questions
• Whiteboard and marker
• Past questions for practice

Building Background/Connection to Prior Knowledge

The teacher will remind students of key points from previous topics and encourage them to recall important formulas and methods.

Embedded Core Skills

• Critical Thinking
• Problem-Solving
• Numeracy
• Logical Reasoning

Learning Materials

• Lagos State Scheme of Work
• Mathematics Textbook for JSS 1
• Teacher’s Lesson Notes

Instructional Materials

• Revision flashcards
• Number charts
• Sample equations on the board

Part A: Review and Revision (FAQs with Answers)

1. What is approximation?
   Approximation is rounding a number to make it simpler but still close to the original value.

2. How do we round 567 to the nearest hundred?
   It rounds to 600.

3. What is the base ten number system?
   It is a system where numbers are written using digits 0 to 9.

4. How do you convert 101 in base two to base ten?
   1012=1×22+0×21+1×20=510101_2 = 1 \times 2^2 + 0 \times 2^1 + 1 \times 2^0 = 5_{10}1012​=1×22+0×21+1×20=510​.

5. What are directed numbers?
   Directed numbers include both positive and negative numbers.

6. What happens when you add a negative number to a positive number?
   You subtract their values and take the sign of the larger number.

7. How do you subtract negative numbers?
   Change the minus sign to plus and reverse the sign of the second number.

8. What is an algebraic expression?
   It is a combination of numbers, letters, and symbols that show a mathematical relationship.

9. Solve for $x$: $x+3=10$.
   $x=10-3=7$.

10. What is 5 squared?
    5 squared is 25.

11. How do we multiply numbers in different bases?
    Convert to base ten, multiply, then convert back.

12. What is the first step in solving an algebraic equation?
    Identify the unknown and form an equation.

13. What does it mean to simplify an expression?
    It means reducing it to its simplest form.

14. How do you convert from one base to another?
    Convert to base ten first, then to the required base.

15. What is 1000 in base two?
    It is 8 in base ten.

16. What is the result of $(-7)+(+3)$?
    -4.

17. What is the opposite of a positive number?
    A negative number.

18. What is the product of 2 and -5?
    -10.

19. What do you call numbers without fractions?
    Whole numbers.

20. What is the sum of two negative numbers?
    A negative number.

Part B: Objective Questions (Fill-in-the-Blank with Options)

Choose the correct answer for each question.

1. The place value of 5 in 5,673 is ___.
   a) 5000
   b) 500
   c) 50
   d) 5

2. The sum of 7 and -2 is ___.
   a) 9
   b) 5
   c) -5
   d) -9

3. 125 rounded to the nearest ten is ___.
   a) 100
   b) 120
   c) 130
   d) 110

4. In base two, 11 is equal to ___ in base ten.

5. The opposite of -10 is ___.

6. Solve for $x$: $x+6=12$.

7. The product of 4 and -3 is ___.

8. 1000 in base two is ___ in base ten.

9. $7-(-4)$ equals ___.

10. A number subtracted by 5 gives 15. The number is ___.

Part C: Theory Questions (Short Answers)

1. Convert 1101 in base two to base ten.
2. Round 2,846 to the nearest hundred.
3. Solve for $x$: $x-5=10$.
4. What is the sum of -8 and +3?
5. Find the product of -7 and 6.
6. Write 13 in base two.
7. Convert 23 to base four.
8. Solve: $9+(-4)$.
9. What is 10 squared?
10. Convert 21 to base five.

Part D: True or False Questions

1. -5 + 3 = -2. (True/False)
2. 2 in base two is the same as 10 in base ten. (True/False)
3. The product of two negative numbers is negative. (True/False)
4. 100 rounded to the nearest ten is 90. (True/False)
5. In base two, 10 is the same as 2 in base ten. (True/False)
6. A variable represents an unknown value. (True/False)
7. The sum of two positive numbers is always positive. (True/False)
8. The opposite of 0 is -1. (True/False)
9. -4 + 4 = 0. (True/False)
10. Base ten uses digits 0-9. (True/False)

Part E: Fill in the Gaps (Without Options)

1. The number system we use daily is called the ___ system.
2. The sum of -3 and 7 is ___.
3. A number divided by itself is always ___.
4. The opposite of a negative number is ___.
5. The product of 6 and -2 is ___.
6. 101 in base two is ___ in base ten.
7. -5 + (-3) = ___.
8. Convert 12 to base two: ___.
9. Solve: $x+4=9$.
10. The square of 8 is ___.

Conclusion

The teacher marks and provides feedback on students’ work.

Algebraic Word Problems: Using Algebra to Solve Equations