This resource will give students the opportunity to:Display their understanding that the three digits of a three-digit number represent amounts of hundreds, tens, and ones; e.g., 706 equals 7 hundreds, 0 tens, and 6 onesShow their ability to skip count by 5s, 10s, and 100s (numbers to 1000)Read and write numbers to 1000 using base-ten numerals, number names, expanded form and full expanded formIncludes 45 worksheets plus answer keys:5 Worksheets by 5s - Counting up5 Worksheets by 5s - Counting d