Hawaii
Wednesday
Level 3
Ms. Amanda
Target 1
Lesson Type:
Continuation
Number Operation
:
Computation
Subtract within 1,000 (regrouping limited to only one place-value).
Supporting targets:
1:
Understand why the standard algorithm for subtraction is based on place-value.
2:
Understand that when subtracting a multi-digit number, each place-value is being subtracted individually to create the new number (ones are subtracted from ones, tens are subtracted from tens, etc.)
3:
Understand how to regroup based on place-value understandings (i.e., ten ones can be composed into one ten – ten tens can be composed into one hundred).
4:
Understand that subtraction equations can be written both vertically and horizontally.
5:
Grade:
2nd
Vocabulary:
Difference, Ones, Tens, Hundreds, Thousands, Change
Activities:
- Students practiced subtracting 1000s, including across zeros.
- Students practiced subtracting money.
- Students "bought" two items with a $10 bill or a $20 bill and solved to find the change that they would receive.
- Students set up addition problems to check their work.
Home Exploration
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Target 2
Lesson Type:
Continuation
Critical Thinking
Spatial Reasoning
Use spatial reasoning to solve problems.
:
Supporting targets:
1:
Look at a visual spatial puzzle to analyze the pieces and determine which is the correct piece to choose.
2:
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4:
5:
Grade:
Kindergarden
Vocabulary:
Tangrams, Triangles, Parallelograms, Squares
Activities:
- Students solved tangram puzzles.
Home Exploration
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Target 3
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Home Exploration