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# SUBTRACTION WITH PLACE VALUE BLOCKS Place Value, Rounding, Addition, and Subtraction
Students also start to compare two-digit numbers (1.3) and add and subtract within 100 based on place value (1.4—6). In second grade, students generalize the place value system even further, understanding one hundred as a unit (2.1) and counting, reading, writing, comparing, adding, and subtracting numbers within 1,000 (2.2—9).
Subtract within 1,000 using place value blocks. 4 questions. Practice. Subtract on a number line. 4 questions. Practice. Subtract within 1000. 4 questions. Practice. Addition and subtraction missing value problems. Start quiz. Addition and subtraction greater than 1000. Learn. Relate place value to standard algorithm for multi-digit addition
Base Ten Blocks Manipulatives: Learning Place Value
Base Ten Blocks are especially useful in providing students with ways to physically represent the concepts of place value and addition, subtraction, multiplication, and division of whole numbers. By building number combinations with Base Ten Blocks, students ease into the concept of regrouping, or trading, and can see the logical development of
Video Place Value | Math Playground      