Cogito
Grade 2 Math · Chapter 7 · Lesson 7
Bar Graphs
A bar instead of a row of pictures.
10 problems · about 12 minutes · 2.MD.D.10
Figure — use these to answer the problems
Warm-Up Review
From earlier lessons. Loosen up before the new work.
3 problemsFrom “Picture Graphs”
5 apples and 8 fish. How many more fish?
AnswerFrom “Money Problems”
Pay 75¢ for a 55¢ item. What is the change?
AnswerFrom “Dollars and Cents”
How many quarters make one dollar?
Answer
Warm Up
Straightforward practice. Get the method working first.
3 problemsBars of 10 and 6. How many more is the first?
AnswerWhy must all the bars start on the same line?
- So a taller bar really means more.
- To make it look neat.
7 and 5. How many more is the first?
Answer
Build It Up
The same ideas with more to keep track of.
1 problem9, 4 and 6. How many in all?
Answer
Stretch Yourself
Mixed problems. Work out what kind of question it is before you start.
3 problems5 and 5. How many more is the first?
AnswerThe Class Survey
A bar graph shows 8 apples and 3 balls. How many more apples?
AnswermoreThe Total
A bar graph shows 6 apples, 4 balls and 9 fish. How many in all?
Answerthings