Visual Fractions
Visual Fractions: Platform Scale Subtraction
Weigh five little creatures on a metric scale, and subtract to find the mass to the hundredths place for each. A timer calculates your speed of computation.
Visual Fractions
Visual Fractions: Platform Scale
Students practice using scales like the one in a doctor's office. Five Gregs will drop on the scale to be weighed. Participants see how fast they can weigh the Gregs.
Visual Fractions
Visual Fractions: Platform Scale Addition
Weigh five little creatures on a metric scale, and add to find their total mass to the hundredths place as each one joins the group. A timer calculates your speed of computation.