ACTIVITY 19 – FRACTION
1.Press ON/MODE to go to the Category Selection Menu.
2.Press 1, 9, ENTER to start Activity 19. An equation consisting of mixed fractions appears. Part of one of the fractions is missing.
3.Figure out the number that makes the equation true; type the number. Ô
ACTIVITY 20 – PERCENTAGES
1.Press ON/MODE to go to the Category Selection Menu.
2.Press 2, 0, ENTER to start Activity 20. A percentage or a decimal appears.
3.If a percentage appears, type in the decimal corresponding to that percentage. If a decimal appears, type in the percentage corresponding to that decimal. Ô
ACTIVITY 21 – ALGEBRA
Some prior knowledge of algebra is helpful.
1.Press ON/MODE to go to the Category Selection Menu.
2.Press 2, 1, ENTER to start Activity 21. An equation with an unknown value (X) appears.
3.Figure out the value of X to solve the algebraic equation. Type the value and press ENTER. Ô
ACTIVITY 22 – FACTOR & MULTIPLES
1.Press ON/MODE to go to the Category Selection Menu.
2.Press 2 twice. Press ENTER to start Activity 22. The laptop asks you either Lowest Common Multiple (LCM) or Highest Common Factor (HCF) questions.
In an HCF question, you see two or three numbers at the top of the screen and HCF below them.
In an LCM question, you see two or three numbers at the top of the screen and LCM below them.
3.Find the LCM or HCF of the numbers and type it. Ô
Ô NOTE Ô
Activity 19 — Fraction
You have two tries to answer the question.
Activity 20 — Percentages
The laptop tells you if your answer is correct. You have two tries for each question.
Activity 21 — Algebra
You have two tries for each question.
Activity 22 — Factors & Multiples
You have two tries for each question.
9
