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This ia a great activity to reinforce counting by 10's to 120!This counting by 10's to 120 activity pack includes:*Cover page with directio...

These progress monitoring probes can be used for 1st grade Math RTI (Response to Intervention) or as formative assessments in the classroom. 1.NBT.1, 1.NBT.2, 1.NBT.3

This activity reinforces the new common core for first grade. 1.NBT.1-Count to 120, starting at any number less than 120. In this range, read and w...

### Count the Tally Marks

### Sneaky snakes - Worksheets & Activities | GreatSchools

1.NBT.1 write # 20

### Sneaky snakes, part 2

Sneaky Snakes