Exploring the Ti 15 Calculator for 3rd Grade Math

The video tutorial introduces the TI-15 calculator, explaining its basic functions and how to use it effectively. It covers entering and correcting numbers, rounding, repeated addition, and working with fractions. The tutorial provides practical examples and exercises to help students understand and apply these concepts.

What should you do before starting a new calculation on the TI-15 calculator?

• Press any number

• Save the previous calculation

• Clear the memory

• Turn off the calculator

Tags

CCSS.5.NBT.B.7

How do you enter a number larger than three digits into the TI-15 calculator?

• With spaces between each digit

• With commas between every three digits

• Just type the numerals without any separators

• Using decimal points

How do you correct a wrongly entered digit in the TI-15 calculator?

• Use the addition key

• Ignore the error

• Use the delete key

• Restart the calculator

Tags

CCSS.5.NBT.B.7

What key do you use to fix a mistake if the wrong numeral is typed into the TI-15?

• Delete

• Clear

• Shift

• Enter

To round 1835 to the nearest hundred on the TI-15, what is the first number you enter?

• 100

• 1835

• 1

• 183

Tags

CCSS.5.NBT.A.4

When rounding numbers on the TI-15, what color are the buttons used for rounding functions?

• Yellow

• Green

• Red

• Blue

Tags

CCSS.4.NBT.B.5

How many times does Brian press the addition button to calculate his savings over six weeks?

• Four times

• Six times

• Five times

• Seven times

Tags

CCSS.2.OA.A.1

In a story problem, if Donna plants carrots in four rows, how many times does she press the addition button?

• Six times

• Four times

• Three times

• Five times

Tags

CCSS.2.OA.C.4

What is the result of simplifying the fraction 2/4 on the TI-15 calculator?

• 1/4

• 1

• 1/2

• 2

What do you see on the TI-15 calculator screen after simplifying the fraction 8/24?

• 3/8

• 1/3

• 1/4

• 2/3