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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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

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