1. Review
Absolute Value
–5–4 –3 –2–1 0

2. Compare. Use <, >, or =. 1. –32 32 2. 26 |–26| 3. –8 –12
1. –
|–26|
3. –8 –12
4. Use a number line to order the integers –2, 3, –4, 5, and –1 from least to greatest.
Your Turn
<
–5 –4 –3 –2 –1 0 =
>
–4, –2, –1, 3, 5
5. Use a number line to find the absolute value of -3.

3. On Back of Pink Integer Chart
Operations Vocabulary
Addition
Subtraction
Multiplication
Division
Addend + Addend = Sum
Minuend - Subtrahend =
Difference
Factor x Factor =
Product
Dividend ÷ divisor = Quotient

4. On Back of Pink Integer Chart
Addition
Addend + Addend = Sum
Rule for Addition:
Same sign Sum
Difference sign Difference (& take sign of larger #)
Show with circles (negative+neg)(pos + pos) (neg+neg) & examples

5. On Back of Pink Integer Chart
Addition
𝟓 𝟐
Show with circles (negative+neg)(pos + pos) (neg+neg) & examples

6. Review Integer Rules Addition Subtraction Multiplication Division Yes
Are the Signs the Same?
Yes No
Add
Subtract
Sign is same as both #’s
Sign of the larger #

7. Practice on Whiteboard

8. On Back of Pink Integer Chart
Subtraction
−𝟓−𝟕
3−𝟖
−𝟗−(−𝟔)
Examples & show how negatives turn into plus sign. Do examples of changing sign

9. Review Integer Rules Addition Subtraction Multiplication Division
Are the Signs the Same?
Change subtraction sign to addition & change the sign of the 2nd # to its opposite
Yes No
Add
Subtract
Follow directions for
addition
Sign is same as both #’s
Sign of the larger #

10. Practice on Whiteboard

11. Review
Decimal Operations
Add or subtract
Multiplication
Division

12. Add or subtract
Rules:

13. Line up the decimal points. –2.80
Subtracting Decimals
A – 2.8
5.34
Line up the decimal points.
–2.80
2.54
Subtract.
B. 28 –
28.000
Use zeros as placeholders.
–15.911
Line up the decimal points.
12.089
Subtract.

14. Practice on Whiteboard
Add. Estimate to check whether your answer is reasonable. 1.
21.25; Estimate: = 21
Subtract. Estimate to check
whether your answer is
reasonable.
20.2; Estimate: = 20
6.72 – 4.16
3. 24 – 3.8 2.
2.56; Estimate: 7 – 4 = 3
4. Renee finished her first lap in the 200 m freestyle
event in seconds. She completed the second lap in seconds. By how much did her time increase in the second lap? Estimate to check whether your answer is reasonable.
1.41 seconds;
Estimate: 30 – 29 = 1