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Homework Practice

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Weigh it, Pour it Practice 2: Apply and Think

Concept Check

Question 1mcq
Which is the best estimate for 631631 + 332332?
A.about 299299
B.about 11631163
C.about 960960
D.about 630630
Question 2mcq
A library has 584584 story books and gets 8282 new books. How many story books are there now?
A.502502
B.676676
C.584584
D.666666
Question 3mcq
Which tool is best for measuring capacity in a classroom activity?
A.measuring jug
B.clock
C.pencil box
D.story book
Question 4mcq
A student says 588588 + 118118 = 596596. What mistake is most likely?
A.The student multiplied correctly.
B.The student added only the ones digit instead of the whole number.
C.The student found the correct sum.
D.The student subtracted the larger number.
Question 5mcq
Which is the best estimate for 249249 + 8787?
A.about 162162
B.about 536536
C.about 340340
D.about 250250

Apply and Think

Question 6mcq
A library has 122122 story books and gets 3030 new books. How many story books are there now?
A.9292
B.162162
C.122122
D.152152
Question 7mcq
Which tool is best for measuring weight in a classroom activity?
A.weighing scale
B.clock
C.pencil box
D.story book
Question 8mcq
A student says 524524 + 6464 = 528528. What mistake is most likely?
A.The student multiplied correctly.
B.The student added only the ones digit instead of the whole number.
C.The student found the correct sum.
D.The student subtracted the larger number.
Question 9mcq
Which is the best estimate for 351351 + 637637?
A.about 286286
B.about 11881188
C.about 990990
D.about 350350
Question 10mcq
A library has 466466 story books and gets 259259 new books. How many story books are there now?
A.207207
B.735735
C.466466
D.725725