This product contains 15 worksheets, each covering a different topic:Hundreds, Tens, and OnesValue of Underlined DigitsSkip Counting (within 1,000 by 2s, 5s, 10s, and 100s)Expanded FormNumber OrderComparing NumbersTwo-Digit Addition (with & without regrouping)Two-Digit Subtraction (without regrouping)Adding Up to Four Numbers10 More, 10 Less100 More, 100 LessAddition within 20 Subtraction within 20 Odd and Even NumbersTelling Time The worksheets are designed with a fun Christmas theme to cap