Two-Bar Tape Diagrams

Draw a comparison as two bars from the same starting line.

10 problems · about 13 minutes · 1.OA.A.1

NameDate

Figure — use these to answer the problems

The dashed piece is the difference between the two bars.

Ana

Leo

Ana14

Leo9

Figure 1

From earlier lessons. Loosen up before the new work.

4 problems

From “How Many More? How Many Fewer?”
10 birds and 6 cats. How many more birds?
Answer
From “Telling Time to the Half Hour”
How many minutes is half an hour?
Answer
From “Telling Time to the Hour”
Short hand on 4, long hand up. What hour?
Answer
From “Fourths and Quarters”
How many fourths make one whole?
Answer

Straightforward practice. Get the method working first.

3 problems

Bars of 15 and 8. What is the difference?
Answer
6
Why must both bars start at the same line?
- Otherwise you cannot see the extra bit.
- To make it look neat.
Bars of 18 and 11. What is the difference?
Answer

The same ideas with more to keep track of.

1 problem

Mixed problems. Work out what kind of question it is before you start.

2 problems