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A pictograph is like a bar graph, but the bars are made from pictures or symbols. A key tells the meaning (or value) of each symbol.

To evaluate (find the value of) expressions written in horizontal form that involve addition and subtraction, we perform the operations as they occur from left ...

If the subtraction of the digits in any place value column requires that we subtract a larger digit from a smaller digit, we must borrow or regroup

In an isosceles triangle, the angles opposite the sides of equal length are called base angles, the sides of equal length form the vertex angle, and the third ...

A triangle is a polygon with three sides (and three vertices)

A polygon is a closed geometric figure with at least three line segments for its sides

Estimation is used to find an approximate answer to a problem

You can better understand the bar graphs through a real-life example.

You need to get familiar with the bar graphs and understand some concepts in order to interpret it the right way

Add and subtract fractions that have the same denominator