Chapter 1: Number Sense Section 3: Real Numbers
Topics In Algebra 1 © 2001 Texas Instruments Teacher Notes 1-32
Activities
Scoring
:
Every correct
placement earns 2 points.
When students give an
incorrect answer, the
correct answer displays.
The game automatically
ends when they have
answered incorrectly four
times (shown in the top
right corner), or they
press
á
QUIT
â
to stop.
Raining Reals
Tell students to:
1. Highlight a level (silver = less difficult; gold = more difficult),
and press
b
to select it.
2. Determine if the “raining” number is rational or irrational.
3. Press
!
to move the number into the
RATIONAL
set, or press
"
to move the number into the
IRRATIONAL
set. If the
answer is incorrect, the correct answer is displayed; press any
key to resume play.
4. Follow your instructions. For example, students can play:
•
until they have answered incorrectly four times (no time limit)
•
until a certain amount of time has expired (high score wins)
•
until a certain score has been reached (first student to
reach the score with the fewest misses wins)
•
over a period of time (days, weeks, etc.) for tracking
improvement of high scores
5. Record the level they played.
6. Record their final scores.
7. Record how many incorrect answers they had.
(Shown in top right corner of the screen.)
8. Write their strategy for playing the game.
Scoring
: Students get
two attempts to answer.
They earn 2 points for a
correct answer, 1 point for
a correct answer on the
second try.
They can earn up to 16
points.
What Is My Property?
Tell students to:
1. Look at the equation and decide which one property, out of
these six, it represents:
•
Commutative +
•
Commutative
…
•
Associative +
•
Associative
…
•
Distributive
…
Over +
•
Distributive
…
Over
N
2. Scroll through the choices with
#
and/or
$
and press
b
to select the correct property. If the answer is incorrect, the
correct answer is displayed; press any key to resume play. As
they play the activity, record each equation and its property.
3. Record their scores.
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