Calculating the amount of oxygen produced by different trees or the number of notebooks made from one tree.
One rosy starling eats 200 g of locusts in a day. How many grams of locusts will 10 starlings destroy in 4 days ? Step 1 (Daily total): Step 2 (4-day total): Answer: They will destroy 8,000 grams (or 8 kg) of locusts. Plant Biology (Subtraction & Measurement): Problem: The roots of a potato plant reach deep. Sunflower roots reach deeper than potato roots. How deep do sunflower roots grow? Calculation: Answer: Sunflower roots reach a depth of 250 cm . Waste Reduction (Division & Resource Saving): Calculating the amount of oxygen produced by different
Calculating liters of water saved by fixing a leaky faucet. Step 1 (Daily total): Step 2 (4-day total):
ЭКОЛОГИЧЕСКИЕ ЗАДАЧИ ПО ... - Профессор Знаев How deep do sunflower roots grow
For a 3rd-grade math "piece" with an ecological theme, the focus is on integrating foundational math skills—like , subtraction , multiplication , and division within 1000—with environmental awareness. Sample Ecological Math Problems (Grade 3)