Mental addition and subtraction in steps of 10 2.NBT.B.8 Grade 2 AASA Practice Test Questions TOC | Lumos Learning

Mental addition and subtraction in steps of 10 2.NBT.B.8 Question & Answer Key Resources Lumos StepUp: Grade 2 Mathematics Workbooks and Online Assessments

Lumos StepUp: Grade 2 Mathematics Workbooks and Online Assessments Mental addition and subtraction in steps of 10

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Julie bought three new books. Her 1st book had 307 pages. Her 2nd book had 10 pages less than the 1st book. Her 3rd book had 100 more pages than the 2nd book. How many pages did the 2nd and 3rd book have? Explain your answer.