Name
Lesson
Lesson13.4
8.3
Estimate Sums and Differences
Estimate each sum or difference.
5
1
1. __ __
7
4
3
1
2. __ __
7
6
8
2
3. __ __
5
9
10
6
4. ___ __
11
9
7
1
5. __ __
8
2
3
2
6. __ __
5
8
6
3
7. __ __
7
4
5
1
8. __ __
8
6
9
1
9. ___ __
12
9
5
4
10. __ __
5
8
Estimate to compare. Write , or . for each
6
1
11. __ __
5
7
1
3
7
12. ___ ___
11
10
.
4
1
__
__ 13. __
8
5
9
0
2
3
7
14. __ __
5
9
1
__
2
8
2
15. ___ ___
12
10
1
Problem Solving and Test Prep
16. Maria is making burritos for dinner. Her
_7
8
17. Jeremy rides his skateboard 2 miles
recipe calls for cup of ground beef
and 1_6 cup of shredded cheese. Estimate
the total amount of meat and cheese
Maria uses in her recipe.
19. Ling makes 1 gallon of fruit punch for
18. Gail is making a healthy snack for her
_3
5
from his home to school. After riding
3
_ mile, he realizes he left his lunch
8
money on the counter at home. About
how far does Jeremy have left to travel
when he realizes his mistake?
weekend hike. She adds cup of raisins
and 6_7 cup of peanuts. Estimate the total
amount that Gail adds.
1
A 1 __ cups
2
B
1 cup
C
2 cups
his sister’s graduation party using
orange juice and fresh fruit. If 5_9 gallons
of the punch is orange juice, about how
much is fresh fruit?
1
A __ gallon
4
1
B __ gallon
8
3
C __ gallon
4
1
D __ gallon
2
1
D __ cup
2
PW83
Practice
© Harcourt • Grade 5
Name
Lesson
Lesson13.4
8.3
Estimate Sums and Differences
Possible estimates are given.
Estimate each sum or difference.
5
1
1. __ __
7
4
3
1
2. __ __
7
6
0
3
2
6. __ __
5
8
8
2
3. __ __
5
9
1
_
2
6
3
7. __ __
7
4
1
⬍1
3
7
12. ___ ___
11
10
⬍ 21__
8
4
13. __ __
5
9
7
1
5. __ __
8
2
_
11
1
_
2
9
1
9. ___ __
12
9
Find the sum or difference. Write it in simplest form.
3
1__
6
3
6. __ __
7
8
5
4
10. __ __
5
8
2
recipe calls for 7_8 cup of ground beef
and 1_6 cup of shredded cheese. Estimate
the total amount of meat and cheese
Maria uses in her recipe.
3
7
14. __ __
5
9
⬎ 1__2
8
2
15. ___ ___
12
10
⬍1
1
A 1 __ cups
2
B
C
7
1
4. ___ __
4
12
10
8
1
8
7. __ __
9
2
3
1
8. __ __
4
5
7
__
11
__
18
20
11. The lroquois tribe lived in the
5
_
6
4
4
9. __ ___
5
15
8
__
2
1
5. __ ___
9
10
29
__
90
7
1
10. ___ __
10
4
9
__
15
20
12. The lroquois tribe was skilled at tracking
Adirondack Mountains of New York
during the 1700s. The tribe members
were skilled deer hunters, utilizing all
parts of the animal to benefit the tribe.
If 1_2 of the deer was used for food and
1
_ was used for skins or clothing, how
4
much of the deer was utilized in all?
17. Jeremy rides his skateboard 2 miles
from his home to school. After riding
3
_ mile, he realizes he left his lunch
8
money on the counter at home. About
how far does Jeremy have left to travel
when he realizes his mistake?
_ mile
about 1
animals through the Adirondack
Mountains. A favorite hunting trail was
7
_ mile long, but the hunters only
8
followed it for 1_6 mile before spotting the
first deer. How much more trail was
there to hunt after the first sighting?
17
__
mile
3
_
of the deer
4
24
13. Which addition equation represents
2
weekend hike. She adds 3_5 cup of raisins
and 6_7 cup of peanuts. Estimate the total
amount that Gail adds.
3
__
Problem Solving and Test Prep
.
⬎0
1 cup
18. Gail is making a healthy snack for her
1
1
3. ___ __
5
10
1
1_
27
__
56
_
11
1
7
1
2. __ __
8
4
10
Problem Solving and Test Prep
16. Maria is making burritos for dinner. Her
Lesson 13.5
4
1
1. __ __
5
2
1
_
2
2
1
Estimate to compare. Write , or . for each
6
1
11. __ __
5
7
10
6
4. ___ __
11
9
5
1
8. __ __
8
6
0
Name
Use Common Denominators
14. Which addition equation represents
the fraction of beads that are black
or gray?
B
the fraction of beads that are white
or gray?
A
5
8
1
A ___ __ ___
12
4
12
5
1
___
__
___
B
9
12
3
12
4
1
__
___
C
__
29
5
6
30
3
2
12
D __ __ ___
6
4
12
1
A __
2
3
B __ 8
__ C 1
8
1
D __ 3
19. Ling makes 1 gallon of fruit punch for
A
his sister’s graduation party using
orange juice and fresh fruit. If 5_9 gallons
of the punch is orange juice, about how
D
much is fresh fruit?
1
A __
4
1
B __
8
3
C __
4
1
D __
2
1 cup
2 cups
1
D __ cup
2
gallon
gallon
gallon
gallon
Circled problems are suggested homework problems.
PW83
2
__
8
2
__
8
1
__
3
4
__
8
__
6
8
__
5
8
___
11
24
__
5
6
Circled problems are suggested homework problems.
Practice
PW84
Practice
© Harcourt • Grade 5
© Harcourt • Grade 5
Lesson 13.4
Item
Lesson 13.5
Suggested rationale
Item
Suggested rationale
1
estimate a difference with
fractions
1
use a common denominator to add
fractions
2
estimate a sum with fractions
2
use a common denominator to add
fractions
3
estimate a difference with
fractions
3
use a common denominator to add
fractions
4
estimate a sum with fractions
8
use a common denominator to
subtract fractions
5
estimate a difference with
fractions
9
use a common denominator to
subtract fractions
6
estimate a sum with fractions
10
use a common denominator to
subtract fractions
16
estimate a sum to solve a word
problem
11
use a common denominator to
solve a word problem
17
estimate a difference to solve a
word problem
12
use a common denominator to
solve a word problem
18
estimate a sum to solve a word
problem in test prep format
13
19
estimate a difference to solve a
word problem in test prep format
use a common denominator to
solve a word problem in test prep
format
14
use a common denominator to
solve a word problem in test prep
format
PW83-PW84
Practice
© Harcourt • Grade 5
MXENL08AWK5X_PHTE_RatB.indd PW84
7/2/07 2:43:21 PM