Use models to add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units.
Shape, Dimension, and Geometric Relationships
- Understand quantity through estimation, precision, order of magnitude, and comparison. The reasonableness of answers relies on the ability to judge appropriateness, compare, estimate, and analyze error
Time and attributes of objects can be measured with appropriate tools
Solve problems involving measurement and estimation of intervals of time, liquid volumes, and masses of objects.