GRADE 7 MATHEMATICS (7.1) Number, operation, and quantitative reasoning. The student represents and uses rational numbers in a variety of equivalent forms. The student is expected to: (A) compare and order integers and positive rational numbers.
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Mrs. Thomas was put on a health plan by her doctor. As part of the plan she must record her weight change each week for the next 5 weeks. The chart below shows her weight change each week. Week
Weight Change
1 2 3 4 5
-2 -4 +1 0 -1
Order her weight changes from greatest loss to least loss.
Order the week numbers from least loss to greatest loss.
1. What mathematical concepts and vocabulary do I need to know to be able to work this problem?
2. Will the Grade 7 Mathematics Formula Chart be helpful on this problem? Why or why not? 3. Will a picture or diagram be helpful on this problem? If so, how?
4. What problem-solving strategy or strategies will I use to help solve this problem? 5. Extension (7.13A): Between which two weeks was the change the greatest?
TEKSING TOWARD TAKS © 2006
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GRADE 7 MATHEMATICS (7.1) Number, operation, and quantitative reasoning. The student represents and uses rational numbers in a variety of equivalent forms. The student is expected to: (A) compare and order integers and positive rational numbers.
Mrs. Thomas was put on a health plan by her doctor. As part of the plan she must record her weight change each week for the next 5 weeks. The chart below shows her weight change each week. Week Weight Change 1 -2 2 -4 3 +1 4 0 5 -1
Order her weight changes from greatest loss to
least loss.
Order the week numbers from least loss to greatest
loss.
TEKSING TOWARD TAKS © 2006
Page 2
GRADE 7 MATHEMATICS (7.1) Number, operation, and quantitative reasoning. The student represents and uses rational numbers in a variety of equivalent forms. The student is expected to: (A) compare and order integers and positive rational numbers.
The chart shows the elevations of 5 locations in the United States of America.
Elevation Location
Elevation (in feet)
New Orleans, Louisiana
-8
Death Valley, California
-282
Ouachita River, Arkansas Long Island Sound, Connecticut Big Stone Lake, South Dakota
Mrs. Gomez kept a log of her weight change for each of the 4 weeks last month. Which of the following lists shows her weekly weight change from greatest loss to least loss? A
-2 lb, -3 lb, -1 lb, -4 lb
B
-4 lb, -3 lb, -2 lb, -1 lb
C
-4 lb, -3 lb, -1 lb, -2 lb
D
-2 lb, -1 lb, -3 lb, -4 lb
55 0 966 The weather section of the newspaper listed the temperatures at noon for 4 cities.
Which list shows the elevations in order from least to greatest?
Temperatures City New Deal Rains Leeward Muleshoe
A -8 ft, -282 ft, 966 ft, 0 ft, 55 ft B
0 ft, -8ft, -282 ft, 55 ft, 966 ft
C
-282 ft, -8 ft, 0 ft, 55 ft, 966 ft
D
-282 ft, 55 ft, 966 ft, -8 ft, 0 ft
Temperature -3° F -5° F 12° F -8° F
Which list shows these cities in order from coldest to warmest? A
New Deal, Rains, Leeward, Muleshoe
B
Rains, New Deal, Leeward, Muleshoe
C
Leeward, New Deal, Rains, Muleshoe
D
Muleshoe, Rains, New Deal, Leeward
The weather section of the newspaper listed the temperatures for 4 cities. Which list shows these temperatures in order from warmest to coldest? A
-13°F, -3°F, -2°F, 1°F
B
1°F, -2°F, -3°F, -13°F
C
1°F, -3°F, -2°F, -13°F
D
-13°F, -2°F, 1°F, -3°F
TEKSING TOWARD TAKS © 2006
The following are scores for four golfers in a golf tournament. Which shows an ordering of greatest integer to least integer? A
2, 1, -4, -5
B
-5, 2, 1, -4
C
2, 1, -5, -4
D
-5, 1, -4, 2
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