Download presentation
Presentation is loading. Please wait.
Published byMaximilian Hamilton Modified over 8 years ago
1
COMPARING AND ORDERING RATIONAL/INTEGER RULES REVIEW
2
Test Answers 1.D 2.A 3.C 4.B 5.3/10 6.30% 7.¾ 8.0.75 9.0.125 10.12.5% 11.C 12.B 13.D 14.B 15.B 16.0.75 17.B 18.B 19.D 20.C 21.16 22.10 23.C 24.G 25.C Bonus: ¼
3
Comparing Numbers on a Number Line Numbers get larger as you move to the right on the number line. Numbers get smaller as you move to the left on the number line.
4
Order the following from least to greatest. ½ -3/8 -0.625 7/8 1.25 -1 1/8
5
Place the following on the number line below: ½ -3/8 -0.625 7/8 1.25 -1 1/8
6
Adding Integers Same signs … _____ Different signs… _____ Bigger team ….______ + + RULES
7
Review: Adding Integers 6 + -9 -3 + - 4 -10 + 15 -3 -7 5
8
Two Pencil Marks -8 – 10 - 2 - - 6 Dry erase boards -8 + -10 -18 -2 + + 6 4
9
Gretchen bought a sweater for $23.89. In addition, she had to pay $1.43 in sales tax. She gave the sales clerk $30. EXPLAIN how to find the change Gretchen received from her total purchase. Do not solve. Add the cost and the tax. Subtract the answer from 30.
10
38.1 + x for x= - 6.12 So what is the rule for adding and subtracting decimals? 38.1 + -6.12 Different signs subtract 38.10 +-6.12 31.98 Bigger team wins--positive
11
_ 3 + _ 1 8 8 Same signs add and keep -4 = -1 8 2
12
_ 8 _ 2 17 17 Two pencil marks Same signs add and keep -8 + -2 = -10 17 17 17
13
-7.5 – (-3.01) = Y -7.5 – (-3.01) = Y Two pencil mark -7.5 + 3.01 Different signs subtract Bigger team wins -7.50 +3.01 -4.49
14
Ana worked 6 ½ hr on Monday, 5 ¾ hr on Tuesday and 7 1 / 6 hr on Friday. How many total hours did she work these three days? 6565 1= 6 2 12 3 = 9 4 12 1 = 2 6 12 7 18 17 = 19 5 12 12
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.