Multiple Choice

1. What is the number $456,789$ in words?

   Four hundred fifty-six thousand, seven hundred eighty-nine.

   Forty-five thousand, six hundred seventy-eight.

   Four hundred five thousand, six hundred eighty-nine.

   Four hundred fifty-six thousand, seven hundred ninety.

2. Write 'Two hundred seventy-three thousand, five hundred twelve' in standard form.

   $273,521$ Checks out.

   Two hundred seventy-three thousand, five hundred twelve. ($273,512$)

   Two hundred thirty-seven thousand, five hundred twelve. ($237,512$)

   Two hundred seventy-three thousand, five hundred two. ($273,502$)

3. What is $500,000 + 40,000 + 3,000 + 200 + 10 + 7$ in standard form?

   Five hundred forty-three thousand, one hundred twenty-seven. ($543,127$)

   $543,217$ Checks out.

   Five hundred forty-three thousand, two hundred seven. ($543,207$)

   Five hundred forty-three thousand, two hundred seventy-one. ($543,271$)

4. Which of these is the expanded form of $891,045$?

   $800,000 + 90,000 + 1,000 + 40 + 5$ Checks out.

   Eight hundred nine thousand, one hundred forty-five. ($809,145$)

   Eight hundred ninety thousand, one hundred forty-five. ($890,145$)

   Eight hundred ninety-one thousand, four hundred five. ($891,405$)

5. What is the greatest number you can make using the digits $2, 0, 5, 8, 1, 9$ exactly once?

   Eight hundred ninety-five thousand, two hundred ten. ($895,210$)

   $985,210$ Checks out.

   Nine hundred eighty-five thousand, two hundred one. ($985,201$)

   Nine hundred eighty-five thousand, one hundred twenty. ($985,120$)

6. What is the value of the digit $7$ in the number $175,283$?

   Seven thousand ($7,000$)

   $700,000$

   Value of 7 in 175,283 is 7 x 10,000 = 70,000. Checks out.

   Seven hundred ($700$)

7. In the number $642,918$, which digit is in the ten thousands place?

   $6$

   Two.

   The digit 4 is in the ten thousands place. Checks out.

   Nine.

8. Which symbol makes the statement true: $345,678 \_ 345,687$?

   Greater than ($>$)

   Less than ($<$) because 345,678 is smaller than 345,687. Checks out.

   Not equal to ($\ne$)

   Equal to ($=$)

9. Which set of numbers is ordered from least to greatest?

   Correct order: $123,456 < 123,465 < 123,546$. Checks out.

   Ordered from greatest to least.

   Incorrect order.

   $123,456; 123,546; 123,465$

10. Round $487,235$ to the nearest ten thousand.

    To the nearest thousand.

    $480,000$

    Round up because thousands digit (7) is 5 or greater. $490,000$. Checks out.

    To the nearest hundred thousand.

11. What is the sum of $25,314 + 13,876$?

    $39,190$ Checks out.

    Thirty-eight thousand, one hundred ninety. ($38,190$)

    Thirty-nine thousand, one hundred eighty. ($39,180$)

    Thirty-nine thousand, two hundred ninety. ($39,290$)

12. Calculate $123,456 + 78,901 + 5,432$.

    Two hundred seven thousand, seven hundred ninety-nine. ($207,799$)

    Two hundred seven thousand, eight hundred eighty-nine. ($207,889$)

    Two hundred seven thousand, seven hundred seventy-nine. ($207,779$)

    $207,789$ Checks out.

13. A library has $45,678$ fiction books and $32,109$ non-fiction books. How many books are there in total?

    Seventy-seven thousand, six hundred eighty-seven. ($77,687$)

    Seventy-seven thousand, seven hundred seventy-seven. ($77,777$)

    $77,787$ Checks out.

    Seventy-seven thousand, eight hundred eighty-seven. ($77,887$)

14. $5,432 + x = 7,890$. What is $x$?

    $2,458$ Checks out.

    Two thousand, four hundred sixty-eight. ($2,468$)

    One thousand, four hundred fifty-eight. ($1,458$)

    Thirteen thousand, three hundred twenty-two. ($13,322$)

15. If you add $15,000$ to itself $3$ times, what is the total?

    Sixty thousand ($60,000$)

    Adding $15,000$ to itself $3$ times means $15,000 \times 3 = 45,000$. Checks out.

    Fifteen thousand three. ($15,003$)

    $30,000$

16. Add $345,678$ and $210,987$.

    Five hundred fifty-six thousand, five hundred sixty-five. ($556,565$)

    $556,665$

    Five hundred fifty-six thousand, six hundred fifty-five. ($556,655$)

    Five hundred fifty-six thousand, six hundred seventy-five. ($556,675$)

17. Subtract $12,345$ from $34,567$.

    $22,222$ Checks out.

    Twenty-two thousand, two hundred thirty-two. ($22,232$)

    Twenty-two thousand, two hundred twelve. ($22,212$)

    Twenty-two thousand, two hundred forty-two. ($22,242$)

18. Find the difference: $60,000 - 18,765$.

    Forty-one thousand, three hundred thirty-five. ($41,335$)

    Forty-one thousand, two hundred forty-five. ($41,245$)

    Forty-two thousand, two hundred thirty-five. ($42,235$)

    $41,235$ Checks out.

19. A farmer had $85,000$ apples. He sold $52,340$ apples. How many apples does he have left?

    $32,660$ Checks out.

    Thirty-two thousand, seven hundred sixty. ($32,760$)

    Thirty-three thousand, six hundred sixty. ($33,660$)

    Thirty-two thousand, five hundred sixty. ($32,560$)

20. $x - 24,680 = 50,000$. What is $x$?

    The equation is $x = 50,000 + 24,680 = 74,680$. Checks out.

    Seventy-five thousand, six hundred eighty. ($75,680$)

    Seventy-four thousand, six hundred seventy. ($74,670$)

    $25,320$

21. What is the difference between $900,000$ and $456,789$?

    $443,211$ Checks out.

    Four hundred forty-three thousand, one hundred eleven. ($443,111$)

    Four hundred forty-four thousand, two hundred eleven. ($444,211$)

    Four hundred forty-three thousand, two hundred twenty-one. ($443,221$)

22. A charity raised $150,000$. They spent $75,000$ on food and $25,000$ on clothes. How much money is left?

    Total spent is $75,000 + 25,000 = 100,000$. Remaining is $150,000 - 100,000 = 50,000$. Checks out.

    $25,000$

    One hundred thousand. ($100,000$)

    Seventy-five thousand. ($75,000$)

23. Calculate $3,456 \times 7$.

    Twenty-four thousand, one hundred eighty-two. ($24,182$)

    $24,192$ Checks out.

    Twenty-four thousand, two hundred ninety-two. ($24,292$)

    Twenty-three thousand, one hundred ninety-two. ($23,192$)

24. What is $5,670 \times 100$?

    Five million, six hundred seventy thousand. ($5,670,000$)

    Five thousand, six hundred seventy. ($5,670$)

    $56,700$

    Multiplying by 100 adds two zeros, so $5,670 \times 100 = 567,000$. Checks out.

25. A factory produces $1,250$ toys each day. How many toys does it produce in $5$ days?

    Five thousand, two hundred fifty. ($5,250$)

    Six thousand, five hundred. ($6,500$)

    Six thousand. ($6,000$)

    $6,250$ Checks out.

26. Multiply $25 \times 15$.

    $25 \times 15 = 375$. Checks out.

    Four hundred. ($400$)

    Three hundred fifty. ($350$)

    $325$

27. $x \times 8 = 7,200$. What is $x$?

    $90$

    Nine thousand. ($9,000$)

    Eight hundred. ($800$)

    $x = 7,200 \div 8 = 900$. Checks out.

28. A book has $120$ pages. If there are $8$ chapters and each chapter has the same number of pages, how many pages are in $3$ chapters?

    Thirty. ($30$)

    Sixty. ($60$)

    Ninety. ($90$)

    $45$ Checks out.

29. Divide $7,560$ by $9$.

    Eight hundred four. ($804$)

    $84$

    $7,560 \div 9 = 840$. Checks out.

    Seven hundred forty. ($740$)

30. What is $98 \div 4$?

    $98 \div 4 = 24$ with a remainder of $2$. Checks out.

    Twenty-three remainder two. ($23$ R $2$)

    $24$ remainder $0$

    Twenty-five remainder two. ($25$ R $2$)

31. Calculate $450,000 \div 1,000$.

    Forty-five thousand. ($45,000$)

    $45$

    Dividing by 1,000 removes three zeros, so $450,000 \div 1,000 = 450$. Checks out.

    Four thousand, five hundred. ($4,500$)

32. $540$ candies are to be shared equally among $6$ friends. How many candies does each friend get?

    Sixty. ($60$)

    $80$

    $540 \div 6 = 90$. Checks out.

    Seventy. ($70$)

33. What is $15 + 20 - 5$?

    Forty. ($40$)

    $15 + 20 - 5 = 35 - 5 = 30$. Checks out.

    $20$

    Ten. ($10$)

34. Calculate $8 \times 6 + 10$.

    Sixty-eight. ($68$)

    Forty-eight. ($48$)

    Fifty. ($50$)

    $58$ Checks out.

35. What is $45 \div 5 - 3$?

    Two. ($2$)

    Twelve. ($12$)

    $6$ Checks out.

    Nine. ($9$)

Numerical Answer

36. What is the sum of $45,678$ and $12,345$?

37. Subtract $23,456$ from $87,654$.

38. What is $345$ multiplied by $6$?

39. Divide $720$ by $9$.

40. Calculate the value of $15 + 5 \times 3$.