NUMBER & OPERATIONS
ADDITION & SUBTRACTIOIN
2-Digit Numbers
problem 7: Who has the cleanest car?
problem 22: Apple vs. Hamburger: Which takes more water to produce?
problem 24: How can I save water?
<,>&= SYMBOLS
problem 3: How many unhealthy days in our area?
problem 7: Who has the cleanest car?
problem 43: Do we use lots of energy?
problem 45: How many coal mines does our community have?
percentages, fractions & decimals
problem 16: How much of Earth’s water can we use? (percentages)
multiplication & division
problem 23: How much water do I use?
data analysis
bar graphs
1-Digit Numbers
problem 4: Got healthier air in Evansville?
problem 12: What makes harmful gas?
problem 45: How many coal mines does our community have?
2-Digit Numbers
problem 3: How many unhealthy days in our area?(creating bar graphs)
problem 3: How many unhealthy days in our area? (interpreting bar graphs)
problem 4: Got healthier air in Evansville?
problem 7: Who has the cleanest car?
problem 43: Do we use lots of energy?
Circle graphs
problem 17: Which continent has the most water?
problem 42: Our nation’s energy sources (number comparison)
problem 47: Energy sources in our state (number comparison)