Lesson: Comparative Bar Models: Numbers up to 100 Math in Focus • Singapore Math • Grade 2 • Volume A • Common Core • Go Math! • Grade 2 • Common CoreMathematics
In this lesson, we will learn how to solve one-step additive comparison problems with numbers up to 100 by drawing a comparative bar model.
Sample Question Videos
Worksheet: 7 Questions • 2 Videos
Chloe scored 41 points in a sports competition. Madison scored 28 points more than Chloe.
We want to find out how many points Madison scored. We can use a part-part-whole diagram to model this problem.
Is Madison’s score the whole or the other part?
How many points did Madison score?
Isabella scored 72 points in a sports competition. William scored 19 fewer points than Isabella.
We want to find out how many points William scored. We can use a part-part-whole diagram to model this problem.
Is William’s score the whole or the unknown part?
How many points did William score?
Select the word problem that can be solved using this part-part-whole diagram.