for questions 1-2,estimate the sum or difference.use the benchmarks 0,1/2,and 1.
1.23/40-9/30
A.0
B.1
C.1/2
2.simone measures the width of one cardboard strip as 1/2 yd.a second cardboard strip measures 5/6 yd in width.estimate the combined width of the cardboard strips.
A.about 1/2 yd
B.about 1 yd
C.About 1 1/4
D.about 1 1/2 yd
for questions 3-8 find the exact sum or difference.
3.7/15 + 9/15
A.7/9
B.1 13/15
C.2 2/9
D.1 1/15
4.gerri spends 1/21 of her money on pencils and 2/21 on paper.what fraction of her money does she spend?give the answer in simplest form?
A.1/7
B.3/20
C.4/21
D.8/7
6.gail has 5/9 of the money she needs to go to camp.if her grandmother gives her 1/3 more of what she needs,how much does she have altogether?
A.8/9
B.3/9
C.1/9
D.1 1/9
7.sal paints a wall in his art classroom.he uses 2/3 gallon of blue paint and 1/5 gallon of white paint.how much paint does he use?
A.3/8
B.1
C.7/15
D.13/15
8.jared is scheduled to work for 5/6 of an hour at the school fair.he has already worked 1/3 of an hour.how much longer does he have to work?
A.1/3
B.5/6
C.1
D.1/2
28 answers
6. 1/3 = 3/95/9 3/9 = 8/9
7. 2/3 1/5 = 13/15
8.5/6 -1/3 = 5/6 – 2/6 = 3/6 = 1/2 hours.
2. C
3. D
4. A
5. D
6. A
7. D
8. D
1.A
2.D
3.D
4.A
5.D
6.A
7.D
8.D
133078 depressed not really depressed
L
Rating chart
Lesson 5: Adding and Subtracting Fractions Mid-Unit Review
Math 6 A Unit 6: Adding and Subtracting Fractions
BOIIIIIIIIII is almost correct but the first two are wrong. Correct answers are, A,D.
Second quiz your on your own.
1.) 0 (A)
2.) 1 1/2 (D)
3.) 1 1/3 (D)
4.) 1/7 (A)
5.) 3/8 (D)
6.) 2/7 (D)
7.) 13/15 (D)
8.) 1/2h (D)