3rd / Global Concept 1of 4 for this Unit of Study: Place Value with Addition and Subtraction
Understand Place Value Through Hundreds / Projected Time Allotment:
2 days
Sample Essential Questions:
Day 1:How can making a list help you solve a problem?
Day 2:How can you represent 3-digit numbers in different ways?
Related Go Math Chapter Test Questions: Unit5 (Go Math Ch. 1) #’s 1, 14
Instructional Resources
Manipulatives:
  • Base Ten Blocks – to directly model the values of numbers and also to show addition and subtraction.
  • Place Value Mat - to display the value of each digit in its location/value within a number.
  • Number line - to display the location of numbers and solutions in problems.
  • Secret Code Cards - used to represent numbers in expanded form (located in Go Math kit)
  • Hundred’s Chart – used for the Make a List problems for Lesson 1.1.
Lesson Ideas:
  • GoMath Lesson 1.1 Essentials – Unlock the Problem p. 5, Try Another Problem p. 6, Share and Show p. 7, On Your Own p. 8
  • Go Math Lesson 1.2 Essentials – Unlock the Problem p. 9, Share and Show p. 11, Problem Solving p. 12, Enrich p. E2 (use with whole group)
Interactive Online Resources:
  • iTools Base-Ten Blocks
  • Virtual Base-Ten Blocks
  • Promethean Board Base-Ten Blocks
For more information about integrating the content within this GCG, clickhere for the PowerPoint
Sample HOT Questions: Use these to facilitate student discussion
  • How does making a list help you solve problems?
  • Can you represent your number using multiple models?
  • How can you represent your number using the least amount of base-ten blocks? Using the most base-ten blocks?
  • How can you prove that ______is greater than ______?

Our students are able to…
  • Represent and identify numbers through the hundreds place in real-world contexts. (SMP 4)
  • Compare and order numbers through the hundreds place in real-world contexts. (SMP 4)
  • Justify the models created. (SMP 1,4)
For more info on SMP’s click here. / Because as teachers we…
  • Provide examples and non-examples for students to evaluate. (SMP 2)
  • Provide students with opportunities to use tables and charts to explore patterns. (SMP 7)
  • Emphasize precise use of vocabulary: flats, rods, and units.(SMP 6)