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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.