Module 1 New or Recently Introduced Terms

- Ten thousands, hundred thousands (as places on the place value chart)
- One millions, ten millions, hundred millions (as places on the place value chart)
- Algorithm
- Variable
- Sum (answer to an addition problem)
- Difference (answer to a subtraction problem)
- Rounding (approximating the value of a given number)
- Place value (the numerical value that a digit has by virtue of its position in a number)
- Digit (a numeral between 0 and 9)
- Standard form (a number written in the format: 135)
- Expanded form (e.g., 100 + 30 + 5 = 135)
- Word form (e.g., one hundred thirty-five)
- Tape diagram (bar diagram)
- Number line (a line marked with numbers at evenly spaced intervals)
- Bundling, making, renaming, changing, exchanging, regrouping, trading (e.g. exchanging 10 ones for 1 ten)
- Unbundling, breaking, renaming, changing, regrouping, trading (e.g. exchanging 1 ten for 10 ones)
- =, <, > (equal, less than, greater than)
- Number sentence (e.g., 4 + 3 = 7)