In the 1st-grade curriculum by and V. V. Maximova , the components of subtraction are taught through the relationship between a whole and its parts . This method helps children understand that subtraction is the process of finding an unknown part. Basic Components of Subtraction In a mathematical expression like , the numbers have specific names:
: The number from which you are subtracting (the "whole"). It is the first number in the expression and is being "diminished".
: The number that is being subtracted (a "part"). komponenty vychitaniia 1 klass peterson maksimova
8−?=3→8−3=58 minus question mark equals 3 right arrow 8 minus 3 equals 5
: Add the subtrahend to the difference ( In the 1st-grade curriculum by and V
?−5=3→3+5=8question mark minus 5 equals 3 right arrow 3 plus 5 equals 8
: The result of the subtraction, which represents the remaining "part". Key Rules for First Graders This method helps children understand that subtraction is
Конспект урока: Уменьшаемое, вычитаемое, разность