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MathematicsGrade 4en

➕ Addition and Subtraction Within 10,000

Master adding and subtracting whole numbers up to 10,000 using standard algorithms, mental math strategies, and estimation. Learn compensation, decomposition, and regrouping across multiple place values. Solve real-world word problems confidently! **What you'll learn:** - Add and subtract whole numbers within 10,000 using standard algorithms - Use mental math strategies like compensation and decomposition - Estimate sums and differences by rounding - Regroup across tens, hundreds, and thousands places - Solve addition and subtraction word problems involving multi-digit numbers

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Questions in this quiz

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  1. Question 1

    What is 4,237+2,5484,237 + 2,548 using the standard algorithm?

  2. Question 2

    When subtracting 3,152−1,8473,152 - 1,847, what do you need to do in the tens place?

  3. Question 3

    When you estimate 2,876+3,1242,876 + 3,124 by rounding to the nearest thousand, the estimated sum is 6,0006,000.

  4. Question 4

    Sarah uses the compensation strategy to find 5,000−2,3475,000 - 2,347. She first calculates 5,000−2,3505,000 - 2,350. What should she do next?

  5. Question 5

    What is 7,834−2,5167,834 - 2,516 using the standard algorithm?

  6. Question 6

    The number 6,0426,042 can be decomposed as 6,000+40+26,000 + 40 + 2 for mental math.

  7. Question 7

    A library has 4,5674,567 books. It receives a donation of 1,2891,289 books. About how many books does the library have now if you estimate by rounding to the nearest hundred?

  8. Question 8

    Which regrouping step is necessary to solve 2,003−1,2562,003 - 1,256?

  9. Question 9

    3,450+2,550=6,0003,450 + 2,550 = 6,000 exactly.

  10. Question 10

    Marcus wants to add 3,875+1,1253,875 + 1,125 using a decomposition strategy. What is the first step?

  11. Question 11

    A school cafeteria served 2,3402,340 lunches on Monday and 1,8901,890 lunches on Tuesday. How many lunches in total were served on both days?

  12. Question 12

    When estimating 7,832−3,4567,832 - 3,456 by rounding to the nearest thousand, the estimated difference is 4,0004,000.

  13. Question 13

    What is the sum of 5,206+3,7945,206 + 3,794?

  14. Question 14

    Jordan has 6,5006,500 stickers and gives away 2,7452,745 stickers. How many stickers does Jordan have left?

  15. Question 15

    Rounding 4,5674,567 to the nearest ten gives 4,5704,570.

  16. Question 16

    To add 2,999+1,0012,999 + 1,001 quickly, which mental math strategy would be most helpful?

  17. Question 17

    A farmer planted 3,4283,428 apple trees and 2,1862,186 orange trees. What is the difference between the number of apple trees and orange trees?