ROOM 32
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Place Value, Rounding, and Algorithms for Addition and Subtraction
Module 1 Newsletters
Module 1 Topic A
Module 1 Topic B
Module 1 Topic C
Module 1 Topic E
Module 1 Topic F
Vocabulary
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)
Resources
Games that will help students master math standards
AdaptedMind Math Lessons
Khan Academy- Numbers and Operations in Base Ten
Division - How do you divide a three-digit number by a one-digit number?
Home
Gallery
Calendar
Language Arts
Math
Module 1
Module 2
Module 3
Module 4
Module 5
Science
Earth Science
Life Science
Physical Science
Engineering
History
Geography Review
Early Peoples
CA Explorers/Missions
Ranchos
CA Statehood
Gold Rush
Communication and Transportation
Art
Blog
Contact
Parents