Grade 2 - Tier 2
Number Sense
(small group instruction on this topic should occur at least 6 weeks after Tier 1 instruction)
Embedded Files
Curriculum Expectations
Curriculum Expectations
B1.1 read, represent, compose, and decompose whole numbers up to and including 200, using a variety of tools and strategies, and describe various ways they are used in everyday life
B1.2 compare and order whole numbers up to and including 200, in various contexts
B1.3 estimate the number of objects in collections of up to 200 and verify their estimates by counting
B1.4 count to 200, including by 20s, 25s, and 50s, using a variety of tools and strategies
Watch this video to learn how to adminster & assess Entry Check-In.
Watch this video to learn how to adminster & assess Entry Check-In.
Watch this video to learn how to effectively use the Tracking Sheet & access the Problem Sets.
Watch this video to learn how to effectively use the Tracking Sheet & access the Problem Sets.
Things to Note
Things to Note
Counting is a very important skill in this topic.
Can students count forward and backward?
Do they know the number sequence?
Can they identify the relationships between numbers?
Ensure students are comfortable using a variety of materials to represent whole numbers to 200, for example, 10 - frames, Rekenreks, tally marks, base ten blocks, and other materials that can be used to group tens and ones.
relate different models of the same number
use number relationships to help them compose and decompose
Important Tools & Representations
Important Tools & Representations
Rekenreks to 20 and 100
Hundreds Chart
base ten blocks
having a variety of manipulatives for students to model their thinking
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