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Rounding
1. Round the following to the nearest
hundred:
A. 381
B. 829
C. 705
D. 2323
E. 4881
F. 8975
2. Round the following to the nearest
thousand:
A. 2323
B. 4881
C. 8975
D. 4097
E. 1446
F. 19,488
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Big Numbers
1. Write the following numbers in order
from smallest to largest.
2. Then, write the numbers in words.
6,549,920
945,209
4,954,020
456,299
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More Multiplication and Division
Sentences
There are 20 students in gym class. They
divide into pairs to practice sit-ups. How
many pairs of students will practice sit-ups?
A. Draw a picture to illustrate this problem.
B. Write a multiplication sentence and a
division sentence to describe this
problem.
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Using the Chinese Abacus
Explore multiplication on the Chinese
abacus. Explain how you can solve the
following problems on the abacus. Use
pictures of the abacus and label your work.
A. 21 5
B. 38 10
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A Juicy Problem
Two shipments of fruit were delivered to the
school cafeteria. One shipment contained
8 sacks of oranges, 50 pounds to a sack. In
the other shipment, there were 7 sacks, also
50 pounds to a sack. How many pounds of
fruit were delivered to the cafeteria in all?
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Place Value and Product Size
Copy the following diagram onto your paper:
×
Choose any 5 digits 1 through 9 to solve
these problems. (You can use the same
digit more than once.) Use the same
5 digits to answer Questions 1–3.
1. Arrange the digits to produce the
largest product possible.
2. Arrange the digits to produce the
smallest product possible.
3. How many different products are
possible using your 5 digits?
4. Choose 5 new digits and answer the
questions again.
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Facts for 5s and 10s
A. 10 3 B. 35 5 C. 80 10 D. 9 5 E. 5 10 F. 25 5 G. 10 10 26
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Partial Products
Irma solved a multiplication problem using
the all-partials method of multiplication.
Look carefully at her work below. What
multiplication problem did she solve?
67
× 13
27
60
720
1600
2407
26
=
=
=
=
3×9
3 × 20
80 × 9
80 × 20
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Changing Numbers
Always begin with the number: 7,382,491.
Change it to:
A. 3 hundred more
B. 9 thousand more
C. 12 million more
D. 70 thousand less
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Multiplication Practice
Solve the following problems using paper
and pencil. Estimate to make sure your
answer makes sense.
A. 516 7 B. 7083 3 C. 97 33 D. 72 8 E. 20 47 F. 23,488 5 URG • Grade 5 • Unit 2 • Daily Practice and Problems
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