explain that the length of a bar in a bar graph or the number of pictures in a pictograph represents the number of data points for a given category;
Standard:
2.10.B
Description:
organize a collection of data with up to four categories using pictographs and bar graphs with intervals of one or more;
Standard:
2.10.C
Description:
write and solve one-step word problems involving addition or subtraction using data represented within pictographs and bar graphs with intervals of one; and
Standard:
2.10.D
Description:
draw conclusions and make predictions from information in a graph.