The student uses nonstandard units to describe length, weight, and capacity. Clarifying Activity Students use clay to create a snake and estimate how many paper clips long it is. Using paper clips, they imprint them along the length of the snake. They count the imprints to measure the length of their snake.
Students compare their estimate with their actual measurement.
Clarifying Activity Pairs of students estimate how many laundry scoops of beans it will take to fill a jar. One student scoops and fills the jar as the other student records with tally marks the number of scoops. Students compare their estimate with their actual measurement. Clarifying Activity Pairs of students estimate how many marbles it will take to equal the weight of one object. One student places the object in one bucket on a balance scale and places marbles in the other bucket until the scale is balanced.