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Lesson
Students learn partial differences to 1,000 with regrouping.

Partial sums subtraction to 1,000 without regrouping

Lesson
Students learn to subtract to 100,000.

Subtracting to 100,000

Lesson
Students learn to subtract to 100,000 with simple numbers.

Subtraction to 100,000 with simple numbers

Lesson
Students learn to subtract from a ten-thousands number.

Subtracting from a ten-thousands number

Lesson
Students learn to subtract to 10,000 without regrouping.

Subtraction to 10,000 without regrouping

Lesson
Students learn to subtract to 10,000 with simple numbers.

Subtraction to 10,000 with simple numbers

Lesson
Students learn to subtract from a thousands number.

Subtracting from a thousands number

Lesson
I can solve subtraction facts to 10 and 20.

Automaticity subtraction to 20

Lesson
I can solve addition facts to 10 and 20.

Automaticity addition to 20

Lesson
Students learn to subtract through 1,000.

Subtraction through 1,000

Lesson
Students learn to add to 100,000.

Addition to 100,000

Lesson
Students learn to add to 100,000 with simple numbers.

Addition to 100,000 with simple numbers

Lesson
Students learn to add to 10,000 without regrouping.

Addition to 10,000 without regrouping

Lesson
Students learn to add to 10,000 using simple numbers.

Addition to 10,000 with simple numbers

Lesson
Students learn to add through 1,000.

Addition through 1,000

Lesson
Students learn to recognize symmetry and reflection symmetry.

Recognizing reflection symmetry

Lesson
Students learn to subtract meters and kilometers.

Subtracting m and km

Lesson
Students learn to add meters and kilometers.

Adding m and km