[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"doc-seo-545957-105":3,"detail-sidebar-cat-0-en-105":81,"doc-detail-545957-en":130},{"code":4,"msg":5,"data":6},0,"ok",{"site_id":7,"language":8,"slug":9,"title":10,"keywords":11,"description":12,"schema_data":13,"social_meta":74,"head_meta":76,"extra_data":78,"updated_unix":80},105,"en","grade-4-math-adding-whole-tens-4-addends","Grade 4 Math - Adding Whole Tens - 4 Addends","","This Grade 4 addition worksheet focuses on developing mental math proficiency by requiring students to calculate the sum of four 2-digit whole tens. The document presents twenty arithmetic problems, each involving the addition of four numbers ending in zero. Designed for elementary level learners, this resource helps strengthen basic computation skills and speed in numerical addition. 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\n1. 90 + 60 + 10 + 10 =   2. 20 + 20 + 80 + 50 =   3. 60 + 30 + 20 + 70 =   4. 40 + 70 + 40 + 10 =   5. 30 + 50 + 20 + 70 =   6. 90 + 60 + 20 + 90 =   7. 10 + 20 + 60 + 20 =   8. 40 + 20 + 60 + 80 =   9. 50 + 80 + 60 + 40 =   10. 10 + 90 + 60 + 40 =   11. 50 + 40 + 40 + 80 =   12. 70 + 20 + 40 + 80 =   13. 50 + 20 + 40 + 90 =   14. 80 + 20 + 60 + 10 =   15. 60 + 20 + 10 + 20 =   16. 10 + 30 + 80 + 60 =   17. 10 + 40 + 80 + 80 =   18. 20 + 40 + 70 + 20 =    \n19. 70 + 50 + 90 + 40 =   20. 80 + 40 + 70 + 30 =    \nMental math: adding whole tens  (four 2-digit addends)   \nGrade 4 Addition Worksheet  \nFind the sum.  \n1. 90 + 60 + 10 + 10 =  170  2. 20 + 20 + 80 + 50 =  170   \n3. 60 + 30 + 20 + 70 =  180  4. 40 + 70 + 40 + 10 =  160   \n5. 30 + 50 + 20 + 70 =  170  6. 90 + 60 + 20 + 90 =  260   \n7. 10 + 20 + 60 + 20 =  110  8. 40 + 20 + 60 + 80 =  200   \n9. 50 + 80 + 60 + 40 =  230  10. 10 + 90 + 60 + 40 =  200   \n11. 50 + 40 + 40 + 80 =  210  12. 70 + 20 + 40 + 80 =  210   \n13. 50 + 20 + 40 + 90 =  200  14. 80 + 20 + 60 + 10 =  170   \n15. 60 + 20 + 10 + 20 =  110  16. 10 + 30 + 80 + 60 =  180   \n17. 10 + 40 + 80 + 80 =  210  18. 20 + 40 + 70 + 20 =  150   \n19. 70 + 50 + 90 + 40 =  250  20. 80 + 40 + 70 + 30 =  220","cbCaidB8f3OB1NzK","https://ap.wps.com/l/cbCaidB8f3OB1NzK","pdf",13805,"English","# Mental Math Practice\n## Arithmetic Addition Problems\n## Answer Key","[{\"question\":\"What is the primary focus of this worksheet?\",\"answer\":\"The worksheet focuses on improving mental math skills for Grade 4 students through the addition of four 2-digit whole tens.\"},{\"question\":\"How many problems are included in this set?\",\"answer\":\"There are 20 addition problems included in the worksheet.\"},{\"question\":\"Does the document provide solutions?\",\"answer\":\"Yes, the document includes a comprehensive answer key at the end to verify the sums of all 20 problems.\"}]","Grade 4 Math - Adding Whole Tens - 4 Addends | PDF"]