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Spring Progress Monitoring & Instructional Strategies for 2.NBT.1
Understand Place Value
2.NBT.1: Understand that the three digits of a three-digit number represents amounts of hundreds, tens, and ones; e.g. 706 equals 7 hundreds, 0 tens, and 6 ones. Understand the following as special cases:
a. 100 can be thought of as a bundle of ten tens -- called a "hundred."
b. The numbers 100, 200, 300, 400, 500, 600, 700, 800, 900 refer to one, two, three, four, five, six, seven, eight, or nine hundreds (and 0 tens and 0 ones).
2.NBT.5: Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Progress Monitoring: Present student with an addition or subtraction problem with one or two-digit numbers and note solution strategy that uses place value, base ten, or properties of operations.
-Van de Walle, p. 108-111, Teaching Students Mathematics Grades 3-5
-Kathy Richardson, Understanding Numbers: Addition and Subtraction
-What’s in the Bag? (pp 19-21)
-Roll a Number (pp 22-24)
-What do you Need? (pp 28-31)
-How Many are Left? (pp 33-35)
-Sherry Parrish, Number Talks; Chapter 4: Breaking Each Number into its Place Value; Compensation; Adding Up In Chunks; Adding Up; Removal
Look for activity Base 10 concentration (v.2) under 2.NBT.A.1 - working on place value; ones, tens, and hundreds