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Module 4 Basic Facts and Place Value (Feb / Mar)

In this unit, the students will be working with concrete and visual models to gain an understanding of place value for ones and tens, including teen numbers and multiples of ten.  They will read and write numerals to represent a number of objects.  They will understand that the two digits of a two-digit number represent amounts of tens and ones.  They will compare numbers, identify 10 more and less, and use place value to help add and subtract. 
The students will be:
  • reading 3-digit numbers
  • writing 3-digit numbers
  • identifying 1 more / less than a number
  • identifying 10 more / less than a number
  • grouping numbers as tens and ones
  • continuing to work with addition facts


Essential Questions
  1. How does a digits position affect its value?
  2. In what ways can operations affect numbers?
  3. How can different strategies be helpful when solving a problem?
  4. What does it mean that addition and subtraction are related operations and can help you solve problems?
  5. How does place value knowledge help you solve problems with 2-digit numbers?
Home Activities
  • Practice counting items to 120 (if your child was not proficient.
  • Practice reading and writing numbers with 1, 2, or 3 digits.
  • Have your child tell you how much one more (or less) would be.
  • Have your child tell you how much ten more (or less) would be.
  • Continue to practice addition and subtraction facts.  
  • Count a collection of dimes and pennies - counting by 10's and 1's.
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Jan Troyer,
Mar 3, 2015, 4:28 AM