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