bell work8/21/14 1. x plus 62. 3 times p write the phrase as a variable expression. 3. the quotient...
TRANSCRIPT
Bell Work 8/21/14
1. x plus 6
x 6
2. 3 times p
3 p
Write the phrase as a variable expression.
3. The quotient of 9 and m
9 m
Give two ways to write each algebraic expression in words.
4. 1x 5. 12r
Yesterday’s Homework
1. Any questions?2. Please pass your homework to the front.
• Make sure the correct heading is on your paper.• Is your NAME on your paper?
• Make sure the homework is 100% complete.• Incomplete work will NOT be accepted.
What Do Notes Look Like?• Heading
• Date
• Section # and Title
• Notes• You do not have to copy the text in blue!
•Homework
Adding and Subtracting Real Numbers (add)
TSWBAT: add real numbers.
04/19/23
Heading
Students understand and use such operations as taking the opposite, finding the reciprocal, taking a root, and raising to a fractional power. They understand and use the rules of exponents.
1.2A
Notes
Ex. 2 ( 5) 5 4
Ex.
• Number Line Addition1. Start on the number line with the initial number.
2. Move from there according to the second number.
• If adding a positive, move to the right.
• If adding a negative, move to the left.
3 1Starting Point is 2.Move 5 spots to the left.
2-3
2 3 Ex.
5
• Rules of Addition
Notes
Now you try.
5 712
9 ( 6) 15
Ex. Ex.
3 ( 4) 7
Ex.
• Same Sign Numbers1. Add the numbers.
2. Keep the same sign.
12 ( 32) 44
Ex.
47 ( 35) 82
Ex.
29 5685
Ex.
75
1269
15
3547
82
43
7
3212
44
5629
85
Notes• Different Sign Numbers
1. “Larger” number minus the “smaller” minus.
2. Keep the sign of the “larger” number.
9 ( 15)
1. “larger” minus “smaller”
15 96
2. Keep the sign of “larger” number
6
Ex.
You can do this step in your head.
What’s “larger” 9 or 15?
Negative wins!
Notes
14
5
5
4
Ex.18 4 ( )
Ex.8 3
Ex.)19(14
Ex.6 10
Now you try.
14
25
Ex.21 35
Ex.43 18
Evaluate the expression.
418
14
38
5
2135
14
1419
56
10
4 1843
25
Notes
9
Ex. 7 2 4
Now you try.
Evaluate the expression.
27
55 4
45
9
3
Ex. 3 1 7 1
3
44 7
47
3
4
Ex. 5 3 6 3
5
2 2 6
26
4
16
Ex. 4 5 7 5
4
9 9 7
79
16
Notes
4
5
Ex.2 6
5 5
Now you try.
Evaluate the expression.
26
44.7
Ex. 3.2 1.5 1.5
3.2
4.7
5
3
Ex.4 1
3 3
14
55.3
Ex.7.8 2.5 2.5
7.8
5.3
Summary
When adding, if the signs are the same, add and keep the ______ sign. If the signs are different, ________ and keep the “larger” sign. With fractions, if the bottoms are the same simplify the tops. With decimals, just line up the ________ and add like normal.
samesubtract
decimals
Today’s Homework
1. Pencil ONLY.2. Must attempt EVERY problem.3. Always check your answers.
Rules for Homework
Class WorkEvaluate the expression.
1. 6 9 2. 13 15 3. 43 38
4. 5 2
7. 6 3
10. 9 11
13. 23 35
5. 7 8
8. 4 11
11. 18 9
14. 24 41
6. 15 26
9. 9 31
15. 55 18
12. 12 27
16. 3 7 5 2 7
17.3 3
18. 7.3 2.1
Complete the Ticket Out the Door without talking!!!!!
Talking = time after the bell!
Ticket Out the Door
Put your NAME on the paper.
When finished, turn your paper face DOWN.
Evaluate the expression.
19 6