The numbers 10, 20, 30, 40, 50, 60, 70, 80, 90 refer to one, two, three, four, five, six, seven, eight, or nine tens (and 0 ones).

10 Lesson(s)

How Many Dots?

1st Grade Math » Unit: The Ten Concept: Counting On and Off the Decade and Knowing 10 More/ 10 Less
1st Grade Math » Unit: The Ten Concept: Counting On and Off the Decade and Knowing 10 More/ 10 Less
Waitsfield, VT
Environment: Suburban

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Favorites (29)

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Counting From A Number

1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
1st Grade Math » Unit: Working with Numbers, Operations, and Story Problems
Waitsfield, VT
Environment: Suburban

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Favorites (9)

Resources (19)

Reflections (1)

Tens and Ones to 50

1st Grade Math » Unit: Numbers and Place Value
1st Grade Math » Unit: Numbers and Place Value
Lakeland, FL
Environment: Urban

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Resources (13)

Reflections (1)

M&M Tens

New Orleans, LA
Environment: Urban

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Resources (14)

Reflections (1)

Concepts of 10 Bakery

New Orleans, LA
Environment: Urban

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Reflections (1)

M&M Ten Frames

New Orleans, LA
Environment: Urban

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Resources (13)

Reflections (1)

Problem Solve with an Organized List

1st Grade Math » Unit: Place Value
1st Grade Math » Unit: Place Value
Oklahoma City, OK
Environment: Urban

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Resources (17)

Reflections (2)

Tens

1st Grade Math » Unit: Numbers and Place Value
1st Grade Math » Unit: Numbers and Place Value
Lakeland, FL
Environment: Urban

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How many tens?

1st Grade Math » Unit: Place Value
1st Grade Math » Unit: Place Value
Oklahoma City, OK
Environment: Urban

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Resources (13)

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Place Value: Vocabulary Review

1st Grade Math » Unit: Place Value
1st Grade Math » Unit: Place Value
Oklahoma City, OK
Environment: Urban

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Resources (18)

Reflections (1)
Common Core Math