Silenced Songbirds
Students calculate the probable number of Golden-Cheeked Warblers present in a particular area. Students prepare a marked map, calculate the number of square miles in the marked area, and estimate the number of birds that live in the area.https://education.ti.com/en/activity/detail/silenced-songbirds
Reforestation
Students learn to solve a real-world environmental problem. They learn how to use the parameters of the final product to work out a reforestation plan.https://education.ti.com/en/activity/detail/reforestation
Patterns in Counting with Decimals
Students use the calculator to represent decimals and to recognize patterns in the number symbols.https://education.ti.com/en/activity/detail/patterns-in-counting-with-decimals
Perimeter Patterns
Students investigate patterns in ordered pairs generated by constructing a sequence of similar shapes. They then use the patterns and the calculator to predict the perimeter of a specific shape in the sequence.https://education.ti.com/en/activity/detail/perimeter-patterns
Overdue Fines
Students learn to solve a real-world problem comparing overdue fines at different libraries.https://education.ti.com/en/activity/detail/overdue-fines
Recycled Sounds
Students create a musical instrument from empty 1-liter bottles and use fractional equivalents to tune the bottles.https://education.ti.com/en/activity/detail/recycled-sounds
Lifting a Lion
In this activity, students will practice solving a real-world problem. Using a toy lion and a lever, students first discover how much work is needed to raise a toy lion. They will then use proportions to determine the force needed to lift a real lion.https://education.ti.com/en/activity/detail/lifting-a-lion
It's the Place that Counts
Students learn to add using place-value material and a calculator. They make connections between base-ten numerals and the quantities they represent.https://education.ti.com/en/activity/detail/its-the-place-that-counts
Transient Circuit Analysis: Numeric
Describes how the differential equation plotter is used to solve the second-order circuit presented in Chapter 2 (Topic 8) by expressing it as a system of first-order differential equations.https://education.ti.com/en/activity/detail/transient-circuit-analysis--numeric
Amazing Appetites
Students learn to count and solve original word problems. They learn to add by combining sets and subtract when removing the set. They use manipulatives to reflect the reasoning used in problem solving.https://education.ti.com/en/activity/detail/amazing-appetites
Action-Packed Stories
Students learn to use whole numbers and the operations of addition and subtraction. They choose a number and create a story using the number selected and illustrate the number story. They represent the action in the story on the calculator.https://education.ti.com/en/activity/detail/actionpacked-stories
Financial Calculations
Describes how to use the TI-89 to calculate interest, present worth, loan repayments and so forth. These methods utilize the time-value-of-money.https://education.ti.com/en/activity/detail/financial-calculations
Marching Columns
Students investigate constructing arrangements of different numbers of manipulatives into equal groups. They learn to use mathematical language, identify patterns with numbers, recognize the commutative property, and transfer the arrangements made with manipulatives to grid paper.https://education.ti.com/en/activity/detail/marching-columns
Making Picture Graphs
Students learn to make picture graphs with symbols that represent more than one piece of data.https://education.ti.com/en/activity/detail/making-picture-graphs
Manipulating Lab Data: The Diode
Introduces the Shockley diode equation, which gives the voltage-current characteristics of a diode. The equation is plotted and compared to actual diode data taken in a laboratory. The method of importing data to the TI-89 is shown, followed by instructions on how to manipulate the data to prep...https://education.ti.com/en/activity/detail/manipulating-lab-data--the-diode
Fractions and Skittles
Students will predict how many of each color will be in one pack of skittles before they open the package. Once they open the package, they will determine how close their predictioins are to the actual amount. Students then will come up with ratios and averages.https://education.ti.com/en/activity/detail/fractions-and-skittles
Creating Word Problems
Students write word problems based on the whole numbers generated by the calculator. They decide on an operation to solve the problems. Finally, they analyze the problems to determine the problem characteristics when using operations on whole numbers.https://education.ti.com/en/activity/detail/creating-word-problems
In Round Numbers
Students will develop and test rules for rounding whole numbers and decimal fractions. They will use the information to solve real-world problems.https://education.ti.com/en/activity/detail/in-round-numbers
Programming-in-Python
...terfaces Menu-driven coding In addition to avoiding spelling mistakes and syntax errors, menu-driven coding helps students discover desired functions rather than having to memorize and hand-type everything. In-line prompts Speed up programming with in-line prompts, auto-in...https://education.ti.com/en/products/calculators/graphing-calculators/ti-nspire-cx-ii-c-cas-china/programming-in-python
Solution 40453: Using the TI-84 Plus CE online calculator with JAWS screen reader for Windows PCs.
...ase Knowledge Base Search How can I get my TI-84 Plus CE online calculator to speak what appears on the screen? Much of the functionality of the TI-84 Plus family of graphing calculators is now more accessible to the vision-impaired using the TI-84 Plus CE Online Calcula...https://education.ti.com/en/customer-support/knowledge-base/sofware-apps/general-information/40453
Solution 11266: Rounding Standards for the BA II PLUS and BA II PLUS PROFESSIONAL Financial Calculators.
...e provided below, when the calculator is set to display two decimal places, the calculator displays .07 but, internally it stores 0.065. To test this functionality, follow these steps: 1. Press [5][5][2][5][¸][8][5][0][0][0].2. Press [ENTER] and the calculator will display .07.3. WITHOUT clearing...https://education.ti.com/en/customer-support/knowledge-base/financial-calculators/product-usage/11266
Solution 11221: Calculating Logarithms, Natural Logarithms, and Inverse Natural Logarithms on the BAII PLUS™ or the BAII PLUS™ PROFESSIONAL.
... How are logarithms computed on the BAII PLUS or the BAII PLUS PROFESSIONAL? The BA II PLUS and BA II PLUS PROFESSIONAL do not feature a log base 10 function, since its functionality is intended for financial math purposes. Only natural logarithms (log base e) may be computed on this calculator ...https://education.ti.com/en/customer-support/knowledge-base/financial-calculators/product-usage/11221
Solution 13580: Using the Cost-Sell-Margin Features of the BA 20 Profit Manager™ Financial Calculator.
...ost-Sell-Margin feature of the BA 20 Profit Manager™ financial calculator? The BA-20 Profit Manager has three columns to support the Cost-Sell-Margin functionality. Key columns are used according to the calculation to be performed. Use the keys in the CST column when calculating the Cost of a pro...https://education.ti.com/en/customer-support/knowledge-base/financial-calculators/product-usage/13580