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The content is structured with clear problems followed by an answer key, making it an excellent resource for classroom instruction, homework assignments, or supplemental home study to improve speed and accuracy in basic mathematical operations. 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461  \n3) 85 + 34 =    \n5) 657 +   = 1,145  \n7) 990 + 168 =    \n9) 394 +   = 803  \n11) 498 + 161 =    \n13) 12 + 84 =    \n15)   + 42 = 311  \n17)   + 471 = 1,166  \n19) 797 +   = 887  \n2)   + 80 = 129  \n4)   + 24 = 59  \n6)   + 28 = 80  \n8) 11 +   = 327  \n10) 32 +   = 436  \n12) 443 +   = 457  \n14) 32 +   = 294  \n16)   + 248 = 475  \n18) 697 + 211 =    \n20) 319 + 21 =    \nMental math: missing addends  Grade 5 Addition Worksheet  \nFind the missing number.  \n1) 373 +  88  = 461 2)  49  + 80 = 129  \n3) 85 + 34 =  119  4)  35  + 24 = 59  \n5) 657 +  488  = 1,145 6)  52  + 28 = 80  \n7) 990 + 168 =  1,158  8) 11 +  316  = 327  \n9) 394 +  409  = 803 10) 32 +  404  = 436  \n11) 498 + 161 =  659  12) 443 +  14  = 457  \n13) 12 + 84 =  96  14) 32 +  262  = 294  \n15)  269  + 42 = 311 16)  227  + 248 = 475  \n17)  695  + 471 = 1,166 18) 697 + 211 =  908   \n19) 797 +  90  = 887 20) 319 + 21 =  340","cbCairX4REhti6Lp","https://ap.wps.com/l/cbCairX4REhti6Lp","pdf",62122,"English","# Mental Math Missing Addends Worksheet\n## Problem Set\n## Answer Key","[{\"question\":\"What is the purpose of this worksheet?\",\"answer\":\"This worksheet is designed to help grade 5 students practice and improve their mental math skills by solving for missing addends in addition equations.\"},{\"question\":\"How many problems are included in the exercise?\",\"answer\":\"There are 20 individual problems provided in the worksheet, covering various addition combinations.\"},{\"question\":\"Does the document provide the solutions?\",\"answer\":\"Yes, the document includes both the problem sets and a completed answer key for reference.\"}]","Grade 5 Addition - Mental Math Missing Addends Worksheet | PDF"]