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MathematicsGrade 4en

➕ Multi-Digit Addition

Master two and three-digit addition using standard and alternative strategies! This quiz covers adding numbers with and without regrouping, estimating sums, and solving real-world addition problems. You'll strengthen your understanding of place value and build confidence with mental math and written algorithms. **What you'll learn:** - Add two and three-digit numbers using the standard algorithm - Regroup (carry) tens and hundreds correctly - Use alternative strategies like decomposition and rounding for estimation - Solve word problems requiring addition in realistic contexts - Estimate sums to check if answers are reasonable

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Questions in this quiz

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  1. Question 1

    What is the sum of 34+2334 + 23?

  2. Question 2

    Which addition problem requires regrouping (carrying)?

  3. Question 3

    When adding 27+3527 + 35, you regroup 1 ten and 2 ones from the ones column.

  4. Question 4

    What is the sum of 156+234156 + 234 using the standard algorithm?

  5. Question 5

    Sarah has 248 stickers and her friend gives her 165 more. How many stickers does Sarah have now?

  6. Question 6

    The sum of 325+175325 + 175 is greater than 500.

  7. Question 7

    Which strategy would be best to estimate 427+356427 + 356?

  8. Question 8

    A school library has 234 fiction books and 189 non-fiction books. Approximately how many books does the library have in total?

  9. Question 9

    When you add 53+2853 + 28, you need to regroup in the ones column.

  10. Question 10

    What is 45+3745 + 37 using decomposition (breaking numbers apart)?

  11. Question 11

    A baker made 156 cupcakes on Monday and 248 cupcakes on Tuesday. How many cupcakes did the baker make in total?

  12. Question 12

    The sum 124+231124 + 231 equals exactly 355.

  13. Question 13

    Which of these addition problems does NOT require regrouping?

  14. Question 14

    What is the best estimate for 185+312185 + 312?

  15. Question 15

    When adding three-digit numbers, you always regroup when the tens column adds to 10 or more.

  16. Question 16

    Maya read 156 pages of a book in week 1 and 127 pages in week 2. How many pages did she read altogether?

  17. Question 17

    The standard algorithm requires you to line up numbers by their place values before adding.