Number of the Day Base TenPractice base ten standards with three and four digit numbers. This resource can be used for warm-ups, morning work, or math centers to reinforce these key skills.Each page includes:the number of the day (3 or 4 digits)Standard, written, and expanded formPlace value chart (ones, tens, hundreds, thousands)Comparing numbers (<,>, or =)Multiplying by multiples of tenaddition and subtraction 3-4 digits (up to the thousands)Rounding to the nearest ten, hundred, and tho