Describe how u labeled the bar model and wrote a number sentence to solve the problem
2 answers:
Bar Model:
It is used in elementary teaching , for solving problems of addition, subtraction, Multiplication and Division by using various tools such as rectangles, squares or any polygons .
1. Addition
4 + 2
Draw Four rectangles of same Dimension and two squares of same dimension .Dimension can be different also. Ask the children how many shapes are in all.
2. Subtraction
6-4
Draw Six Rectangles of same Dimension.Color four of them in a single color and two of them in different color . Now in another picture keep only 4 rectangles having same color and keep the two rectangles apart .Ask the children how many rectangles are differently colored.
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Answer:
Step-by-step explanation:
By drawing the point (-3,-1) in the coordinate plane we find the graph shown below. Since there are 10 points between points A and B, we need to start at point A and then we have to move 11 units either to the right, to the left, up, or down .
1. MOVING TO THE RIGHT:
From point A, move 11 units horizontally to the right to come to point B:
(-3+11, -1) = (8, -1)
2. MOVING TO THE LEFT:
From point A, move 11 units horizontally to the left to come to point B:
(-3-11, -1) = (-14, -1)
3. MOVING UPWARD:
From point A, move 11 units vertically upward to come to point B:
(-3, -1+11) = (-3, 10)
4. MOVING DOWNWARD:
From point A, move 11 units vertically downward to come to point B:
(-3, -1-11) = (-3, -12)
So this are the basic movements you can get to find point B. You also can move diagonally upwards or downwards in whose case you would find other four points. The graph below shows a red point which is A, and the other points are in black color and represent B.
