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Lesson 1: Rate conversion. Intro to dimensional analysis. Rate conversion. Same rate with different units. Creativity break: When did you first realize that you liked algebra.
Students must be able to connect decimals to fractions. They must also communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate.
In this video we learn about dimensional analysis, and how to use the units of the elements in our calculations to verify the dimensional consistency of our calculations, as well as to determine the appropriate units and dimensionality of our results.
Numberock's Decimals to Fractions Song will teach your 4th Graders how to relate decimals to fractions while providing the foundation for understanding decimal place value and further fractional relationships, which they will likely be exposed to in 5th Grade and beyond.
Understand that a decimal point helps to delineate between the whole number and fractional parts of a decimal number when writing a number in decimal form. Represent decimals to tenths less than one in decimal, fraction, or unit form as well as with an area model (MP.5).
Ready to tackle decimals? You'll be amazed at how easy they are to understand when you use grids and number lines. Once you know how to place decimals to tenths and hundredths place on the number line, you'll learn how to compare them and write decimals as fractions.
This video works through two standards dimensional analysis problems. Dimensional analysis is a process to solve unit conversion problems. Step 1: Write the two givens (beginning and ending) Step 2: Find the middle with conversion factors Step 3: Make sure the units cancel out Step 4: Solve the problem. Show Video Lesson
