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Organizer
Houghton Mifflin Harcourt

Numbers 11-19

For Students K - 2nd Standards
Develop the concept that numbers from 11 to 19 are essentially a 10, plus more! The first two of the six story problems on this sheet are scaffolded with pictures. Learners compose and decompose numbers to answer how many 10s and how...
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Worksheet
Curated OER

Counting in Groups of Ten

For Students 2nd - 3rd
In this place value and counting worksheet, students count the groups of ten dots in each of 6 examples. They count ten dots, and circle them. They count how many groups of ten they get, and how many dots are left over before recording...
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Lesson Plan
Curated OER

Tens and Ones

For Teachers 1st - 2nd
In this counting by groups worksheet, students practice counting by tens and then by ones. Students count the rows of ten and single cubes and then write how many cubes there are all together.