Chapter 1: Number Sense Section 1: Integers
Topics in Algebra 1 © 2001 Texas Instruments Teacher Notes 1-10
³
Try-It!
é
on Your TI
.
83 Plus or TI
.
73
These keystroke exercises let students practice using the basic operation keys (
\
,
T
,
M
,
F
), the
negation key (
a
), the parentheses keys (
D
E
), and the absolute value function (
1
NUM
1:abs(
).
Tell students to follow the steps exactly on the calculators. Example screens are displayed on
the worksheets for students to compare with the calculator screens.
Additional problems—These problems give students additional practice using the subtraction
key (
T
), the negation key (
a
), and the absolute value function (
1
NUM 1:abs(
). Remind
them to follow the Order of Operations rules.
Tell students to do the following calculations by hand, and then check the answers using the
calculator.
1.
M
4 +
M
12
Q
M
10 = 116 2. 4
Q
M
8
−
M
10
Q
2 =
M
12
3.
M
30
÷
M
5
−
6 = 0 4.
|
M
12 +
M
28
|
= 40
5.
|
M
4
Q
M
8
N
M
10
Q
2
|
= 52 6.
M
|
M
3
N
14
N
M
10
|
=
M
7