Math at Mallett
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​Second grade math

Module 5:
"Addition and Subtraction within 1,000 with Word Problems to 100"
In this module, students:
  • Increase fluency when adding and subtracting with two- and three-digit numbers by having two ways to solve problems, including using checking subtraction using addition.
  • Solve one-step and two-step word problems that involve two-digit addition and subtraction.

What can you do at home to support the learning in this module?
  • Encourage your child to explain her mathematical thinking when doing homework or playing math games. "How did you solve that problem? Can you explain your thinking to me?"
  • Ask your child how many ones, tens, and hundreds are in numbers that you and your child come across, and what happens if you take a one or a ten or a hundred away, or if you add a one or a ten or a hundred. "How many hundreds are there in 792? What happens if I add a hundred? What happens if I take away a one?"
  • Continue to practice counting by tens from any number to any number within 1000, and try counting by hundreds from any number. "Let's count by hundreds from 83 to 783."
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  • Home
  • Math Websites
  • For Parents
    • Common Core Math Practices
    • FAQs about the Common Core
    • Skills Calendar (Benchmarks)
    • Math at Home
  • Videos
  • Kindergarten
    • Module 1
    • Module 2
    • Module 3
    • Module 4
    • Module 5
    • Module 6
  • 1st Grade
    • Module 1
    • Module 2
    • Module 3
    • Module 4
    • Module 5
    • Module 6
  • 2nd Grade
    • Module 1
    • Module 2
    • Module 3
    • Module 4
    • Module 5
    • Module 7
    • Module 8
  • Math Read-alouds