Use the CHART METHOD to explain the product of 4.3 x 3.
What was your final answer to #1?
Dr. Deemer mixed 11.357 grams of Chemical A, 13.062 grams of Chemical B, and 6.506 grams of Chemical C to make 5 doses of medicine.
About how much medicine did she make in grams? Estimate the amount of each chemical by rounding to the nearest tenth of a gram before finding the sum.
You may use the line tool to create vertical number lines. This will help you round each amount to the nearest tenth. When you finish rounding, remember to find the sum of all the rounded numbers.
What was your final answer for #3? (Numbers only.)
Dr. Gorham mixed 11.357 grams of Chemical A, 13.062 grams of Chemical B, and 6.506 grams of Chemical C to make 5 doses of medicine.
Find the actual amount of medicine mixed by Dr. Gorham. What is the difference between your estimate (answer from #9) and the actual amount?
What was your difference found for #5? (Numbers only.)
Dr. Gorham mixed 11.357 grams of Chemical A, 13.062 grams of Chemical B, and 6.506 grams of Chemical C to make 5 doses of medicine. ( You will need to use the exact amount found on question 5
How many grams are in one dose of medicine?
What was your final answer for #7? (Numbers only)
Dr. Gorham mixed 10.357 grams of Chemical A, 12.062 grams of Chemical B, and 7.506 grams of Chemical C to make 5 doses of medicine.
Round the weight of one dose (answer from #13) to the nearest gram (one).
You may use the line tool to create vertical number lines. This will help you round each amount to the nearest tenth.
What was your final answer to #9? (Numbers only)
The following expressions have different opperations and different numbers. But, when you find the correct answers, they are the exact same number. Why is this? The two expressions are....
4.13 x 103. and 413,000 ÷ 102