1.8: Exercise Supplement
Exercise Supplement
For problems 1-35, find the sums and differences.
Exercise \(\PageIndex{1}\)
\(\begin{array} {r} {908} \\ {\underline{+\ \ 29}} \end{array}\)
- Answer
-
937
Exercise \(\PageIndex{2}\)
\(\begin{array} {r} {529} \\ {\underline{+161}} \end{array}\)
Exercise \(\PageIndex{3}\)
\(\begin{array} {r} {549} \\ {\underline{+\ \ 16}} \end{array}\)
- Answer
-
565
Exercise \(\PageIndex{4}\)
\(\begin{array} {r} {726} \\ {\underline{+892}} \end{array}\)
Exercise \(\PageIndex{5}\)
\(\begin{array} {r} {390} \\ {\underline{+169}} \end{array}\)
- Answer
-
559
Exercise \(\PageIndex{6}\)
\(\begin{array} {r} {166} \\ {\underline{+660}} \end{array}\)
Exercise \(\PageIndex{7}\)
\(\begin{array} {r} {391} \\ {\underline{+951}} \end{array}\)
- Answer
-
1,342
Exercise \(\PageIndex{8}\)
\(\begin{array} {r} {48} \\ {\underline{+36}} \end{array}\)
Exercise \(\PageIndex{9}\)
\(\begin{array} {r} {1,103} \\ {\underline{+\ \ \ 898}} \end{array}\)
- Answer
-
2,001
Exercise \(\PageIndex{10}\)
\(\begin{array} {r} {1,642} \\ {\underline{+\ \ \ 899}} \end{array}\)
Exercise \(\PageIndex{11}\)
\(\begin{array} {r} {807} \\ {\underline{+1,156}} \end{array}\)
- Answer
-
1,963
Exercise \(\PageIndex{12}\)
\(\begin{array} {r} {80,349} \\ {\underline{+\ \ 2,679}} \end{array}\)
Exercise \(\PageIndex{13}\)
\(\begin{array} {r} {70,070} \\ {\underline{+\ \ 9,386}} \end{array}\)
- Answer
-
79,456
Exercise \(\PageIndex{14}\)
\(\begin{array} {r} {90,874} \\ {\underline{+\ \ 2,945}} \end{array}\)
Exercise \(\PageIndex{15}\)
\(\begin{array} {r} {45,292} \\ {\underline{+51,661}} \end{array}\)
- Answer
-
96,953
Exercise \(\PageIndex{16}\)
\(\begin{array} {r} {1,617} \\ {\underline{+54,923}} \end{array}\)
Exercise \(\PageIndex{17}\)
\(\begin{array} {r} {702,607} \\ {\underline{+\ \ 89,217}} \end{array}\)
- Answer
-
791,824
Exercise \(\PageIndex{18}\)
\(\begin{array} {r} {6,670,006} \\ {\underline{+\ \ \ \ \ \ \ 2,495}} \end{array}\)
Exercise \(\PageIndex{19}\)
\(\begin{array} {r} {267} \\ {\underline{+8,034}} \end{array}\)
- Answer
-
8,301
Exercise \(\PageIndex{20}\)
\(\begin{array} {r} {7,007} \\ {\underline{+11,938}} \end{array}\)
Exercise \(\PageIndex{21}\)
\(\begin{array} {r} {131,294} \\ {\underline{+\ \ \ \ 9,087}} \end{array}\)
- Answer
-
140,381
Exercise \(\PageIndex{22}\)
\(\begin{array} {r} {5,292} \\ {\underline{+\ \ \ 161}} \end{array}\)
Exercise \(\PageIndex{23}\)
\(\begin{array} {r} {17,260} \\ {\underline{+58,964}} \end{array}\)
- Answer
-
76,224
Exercise \(\PageIndex{24}\)
\(\begin{array} {r} {7,006} \\ {\underline{-5,382}} \end{array}\)
Exercise \(\PageIndex{25}\)
\(\begin{array} {r} {7,973} \\ {\underline{-3,018}} \end{array}\)
- Answer
-
4,955
Exercise \(\PageIndex{26}\)
\(\begin{array} {r} {16,608} \\ {\underline{-\ \ 1,660}} \end{array}\)
Exercise \(\PageIndex{27}\)
\(\begin{array} {r} {209,527} \\ {\underline{-\ \ 23,916}} \end{array}\)
- Answer
-
185,611
Exercise \(\PageIndex{28}\)
\(\begin{array} {r} {584} \\ {\underline{-226}} \end{array}\)
Exercise \(\PageIndex{29}\)
\(\begin{array} {r} {3,313} \\ {\underline{-1,075}} \end{array}\)
- Answer
-
2,238
Exercise \(\PageIndex{30}\)
\(\begin{array} {r} {458} \\ {\underline{-122}} \end{array}\)
Exercise \(\PageIndex{31}\)
\(\begin{array} {r} {1,007} \\ {\underline{+\ \ \ 331}} \end{array}\)
- Answer
-
1,338
Exercise \(\PageIndex{32}\)
\(\begin{array} {r} {16,082} \\ {\underline{+\ \ 2,013}} \end{array}\)
Exercise \(\PageIndex{33}\)
\(\begin{array} {r} {926} \\ {\underline{-\ \ 48}} \end{array}\)
- Answer
-
878
Exercise \(\PageIndex{34}\)
\(\begin{array} {r} {736} \\ {\underline{+5,869}} \end{array}\)
Exercise \(\PageIndex{35}\)
\(\begin{array} {r} {676,504} \\ {\underline{-\ \ 58,277}} \end{array}\)
- Answer
-
618,227
For problems 36-39, add the numbers.
Exercise \(\PageIndex{36}\)
\(\begin{array} {r} {769} \\ {795} \\ {298} \\ {\underline{\ 746}} \end{array}\)
Exercise \(\PageIndex{37}\)
\(\begin{array} {r} {554} \\ {184} \\ {\underline{\ 883}} \end{array}\)
- Answer
-
1,621
Exercise \(\PageIndex{38}\)
\(\begin{array} {r} {30,188} \\ {79,731} \\ {16,660} \\ {66,085} \\ {39,169} \\ {\underline{\ 95,170}} \end{array}\)
Exercise \(\PageIndex{39}\)
\(\begin{array} {r} {2,129} \\ {6,190} \\ {17,044} \\ {30,447} \\ {292} \\ {41} \\ {\underline{\ 428,458}} \end{array}\)
- Answer
-
484,601
For problems 40-50, combine the numbers as indicated.
Exercise \(\PageIndex{40}\)
2,957 + 9,006
Exercise \(\PageIndex{41}\)
19,040 + 813
- Answer
-
19,853
Exercise \(\PageIndex{42}\)
350,212 + 14,533
Exercise \(\PageIndex{43}\)
970 + 702 + 22 + 8
- Answer
-
1,702
Exercise \(\PageIndex{44}\)
3,704 + 2,344 + 429 + 10,374 + 74
Exercise \(\PageIndex{45}\)
874 + 845 + 295 − 900
- Answer
-
1,114
Exercise \(\PageIndex{46}\)
904 + 910 − 881
Exercise \(\PageIndex{47}\)
521 + 453 − 334 + 600
- Answer
-
1,300
Exercise \(\PageIndex{48}\)
892 − 820 − 9
Exercise \(\PageIndex{49}\)
159 + 4,085 − 918 − 608
- Answer
-
2,718
Exercise \(\PageIndex{50}\)
2,562+ 8,754 − 393 − 385 − 910
For problems 51-63, add and subtract as indicated.
Exercise \(\PageIndex{51}\)
Subtract 671 from 8,027.
- Answer
-
7,356
Exercise \(\PageIndex{52}\)
Subtract 387 from 6,342.
Exercise \(\PageIndex{53}\)
Subtract 2,926 from 6,341.
- Answer
-
3,415
Exercise \(\PageIndex{54}\)
Subtract 4,355 from the sum of 74 and 7,319.
Exercise \(\PageIndex{55}\)
Subtract 325 from the sum of 7,188 and 4,964.
- Answer
-
11,827
Exercise \(\PageIndex{56}\)
Subtract 496 from the difference of 60,321 and 99.
Exercise \(\PageIndex{57}\)
Subtract 20,663 from the difference of 523,150 and 95,225.
- Answer
-
407,262
Exercise \(\PageIndex{58}\)
Add the difference of 843 and 139 to the difference of 4,450 and 839.
Exercise \(\PageIndex{59}\)
Add the difference of 997,468 and 292,513 to the difference of 22,140 and 8,617.
- Answer
-
718,478
Exercise \(\PageIndex{60}\)
Subtract the difference of 8,412 and 576 from the sum of 22,140 and 8,617.
Exercise \(\PageIndex{61}\)
Add the sum of 2,273, 3,304, 847, and 16 to the difference of 4,365 and 864.
- Answer
-
9,941
Exercise \(\PageIndex{62}\)
Add the sum of 19,161, 201, 166,127, and 44 to the difference of the sums of 161, 2,455, and 85, and 21, 26, 48, and 187.
Exercise \(\PageIndex{63}\)
Is the sum of 626 and 1,242 the same as the sum of 1,242 and 626? Justify your claim.
- Answer
-
626 + 1,242 = 1,242 + 626 = 1,868