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An answer key is included, listing the correct missing addends for each problem to support checking and quick feedback, with additional score or range markers for sections 1–10 and 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| --- | --- | --- | --- | --- |\n| 1) | 7 + = 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 2)\u003Cbr>3) |   + 5 = 9\u003Cbr>  + 2 = 4 |  |  |  |  |  |  | 1.  \u003Cbr>2.  \u003Cbr>3.   |  |  |  |  |  |  |\n| 4) | 1 + = 9 |  |  |  |  |  |  | 4.   |  |  |  |  |  |  |\n| 5)\u003Cbr>6) |   + 2 = 10\u003Cbr>7 +   = 10 |  |  |  |  |  |  | 5.  \u003Cbr>6.  \u003Cbr>7.   |  |  |  |  |  |  |\n| 7) | + 9 = 10 |  |  |  |  |  |  | 8.   |  |  |  |  |  |  |\n| 8)\u003Cbr>9) | 1 +   = 10\u003Cbr>  + 3 = 7 |  |  |  |  |  |  | 9.  \u003Cbr>10.  \u003Cbr>11.   |  |  |  |  |  |  |\n| 10) | 1 +   = 6 |  |  |  |  |  |  | 12.   |  |  |  |  |  |  |\n| 11)\u003Cbr>12) | 8 +   = 9\u003Cbr>  + 7 = 9 |  |  |  |  |  |  | 13.  \u003Cbr>14.  \u003Cbr>15.   |  |  |  |  |  |  |\n| 13) | 4 + = 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 14) | + 3 = 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 15) | 5 + = 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  | Math\u003Cbr>[www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 9 | 1-10\u003Cbr>11-15 | 93 | 87 | 80 | 73 |  | 67 | 60 | 53 | 47 | 40 | 33 |\n|  |  |  |  | 27 | 20 | 13 | 7 |  | 0 |  |  |  |  |  |\n\nFinding Missing Addend (Within 10)  \nName: Answer Key  \n\n| Solve each problem.\u003Cbr>1) 7 +  1  = 8\u003Cbr>2)  4  + 5 = 9\u003Cbr>3)  2  + 2 = 4 |  |  |  |  |  |  |  |  |  | Answers\u003Cbr>1.  1  2.  4 \u003Cbr>3.  2  |  |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 4) | 1 +  8  | = 9 |  |  |  |  |  |  |  | 4.  8  5.  8  |  |  |  |  |  |  |\n| 5) |  8  + 2 | = 10 |  |  |  |  |  |  |  | 6.  3  |  |  |  |  |  |  |\n| 6) | 7 +  3  | = 10 |  |  |  |  |  |  |  | 7.  1  |  |  |  |  |  |  |\n| 7) | 1 + 9 | = 10 |  |  |  |  |  |  |  | 8.  9  |  |  |  |  |  |  |\n| 8)\u003Cbr>9) | 1 +  9 \u003Cbr> 4  + 3 | = 10\u003Cbr>= 7 |  |  |  |  |  |  |  | 9.  4  10.  5 \u003Cbr>11.  1  |  |  |  |  |  |  |\n| 10) | 1 +  5  |  | 6 |  |  |  |  |  |  | 12.  2  13.  6  |  |  |  |  |  |  |\n|  |  | = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 11) | 8 +  1  | = | 9 |  |  |  |  |  |  | 14.  3  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 12) |  2  + 7 | = | 9 |  |  |  |  |  |  | 15.  3  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 13)\u003Cbr>14) | 4 +  6 \u003Cbr>3 + 3 | = | 10\u003Cbr>6 |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  | = |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n| 15) | 5 +  3  | = | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |\n|  | Math |  | [www.CommonCoreSheets.com](www.CommonCoreSheets.com) | 9 | 1-10\u003Cbr>11-15 | 93 | 87 | 80 | 73 |  | 67 | 60 | 53 | 47 | 40 | 33 |\n|  |  |  |  |  |  | 27 | 20 | 13 | 7 |  | 0 |  |  |  |  |  |\n\nFinding Missing Addend (Within 10)  \nName:  \n\n| Solve each problem. 1) 7 +   = 8\u003Cbr>2)   + 5 = 9\u003Cbr>3)   + 2 = 4\u003Cbr>4) 1 +   = 9\u003Cbr>5)   + 2 = 10\u003Cbr>6) 7 +   = 10\u003Cbr>7)   + 9 = 10\u003Cbr>8) 1 +   = 10\u003Cbr>9)   + 3 = 7\u003Cbr>10) 1 +   = 6 |  |  |  |  | Answers\u003Cbr>1.  \u003Cbr>2.  \u003Cbr>3.  \u003Cbr>4.  \u003Cbr>5.  \u003Cbr>6.  \u003Cbr>7.  \u003Cbr>8.  \u003Cbr>9.  \u003Cbr>10.   |  |  |  |  |  |\n| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |\n| 1-10 | 90 | 80 | 70 | 60 | 50 | 40 | 30 | 20 | 10 | 0 |\n\nMath  \nModified  \n[www.CommonCoreSheets.com](www.CommonCoreSheets.com)  \n9","cbCaimSdM0h6OoKM","https://ap.wps.com/l/cbCaimSdM0h6OoKM","pdf",43129,"English","# Solve each problem\n## Find the missing addend (within 10)\n## Check using the answer key","[{\"question\":\"What type of math questions are on this worksheet?\",\"answer\":\"Each problem asks for the missing addend in an addition equation within 10, such as 7 + __ = 8 or __ + 5 = 9.\"},{\"question\":\"How are the answers provided?\",\"answer\":\"The document includes an answer key listing the correct missing addend for each numbered problem.\"},{\"question\":\"What does “Within 10” mean here?\",\"answer\":\"The sums and results are limited to values up to 10, so the missing addend must make the equation true within that range.\"}]","Finding Missing Addend (Within 10) - Answer Key | PDF"]