Use place value understanding to round whole numbers to the nearest 10 or 100.
8 Lessons
27 Activities
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
11 Lessons
19 Activities
Multiply one-digit whole numbers by multiples of 10 in the range 10-90 (e.g., 9 x 80, 5 x 60) using strategies based on place value and properties of operations.
4 Lessons
20 Activities