U2D1 One Grain of Rice Jan23

Estimate how many grains of rice you think Rani will have at the end of 30 days.

Use the chart below to record the number of grains of rice Rani would receive each day.

Write a sentence that describes how many grains of rice Rani receives each day.

What number is being used to advance the pattern? Is this a common difference or a common ratio?

Use the words NOW and NEXT to write a rule to express the pattern. The NOW-NEXT form is the recursive process of getting from one number to the next number in the sequence.

Write a sentence that describes the total number of grains of rice Rani will receive through a certain number of days.

Test each of your equations to see if they generate the values in the table. Were your algebraic equations correct? If not, modify your equations and test them until you are certain they are correct. Record the changes you make so that you can explain to others how you arrived at your final equations.

Graph the first ten days of the rice reward on the graph. Be sure to label your axes and title your graph.

Is this a graph of a linear function or an exponential function?