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1st Grade Math Unit on Telling Time by the Half Hour and Hour          State Standards for this Math Unit  Mathematics: Grade 1: Measurement and Data Tell and Write Time 1.MD.3. Tell and write time in hours and half-hours using analog and digital clocks. Units Lessons for Telling Time by the Hour and Half Hour         ﻿1st Grade Math Unit on Skip Counting by 2s, 5s and 10s        State Standards for this Math Unit Mathematics: Grade 1: Numbers and Operations in Base Ten Understand Place Value 1.NBT.2. nderstand that the two digits of a two-digit number represent amounts of tens and ones. Understand the following as special cases:
 * 10 can be thought of as a bundle of ten ones — called a “ten.”
 * The numbers from 11 to 19 are composed of a ten and one, two, three, four, five, six, seven, eight, or nine ones.
 * 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).

Unit Lessons for Skip Counting by 2s, 5s and 10s

Unit Lesson 3 Assessment and Assessment Modification 