Measuring With Cubes

No gaps and no overlaps.

10 problems · about 12 minutes · 1.MD.A.2

NameDate

Figure — use these to answer the problems

These cubes are laid properly. Count them to find the length.

Pencil

Length7

Figure 1

From earlier lessons. Loosen up before the new work.

6 problems

From “Putting Three in Order”
Ropes are 3, 9 and 6 cubes. How long is the longest?
Answer
2
From “Using a Third Thing”
A rope is shorter than a string. The string is shorter than a pole. Is the rope shorter than the pole?
- Yes.
- No.
3
From “Longer Than, Shorter Than”
Why must you line up one end before comparing?
- Otherwise you cannot tell which is longer.
- To make it look neat.
4
From “True or False to Twenty”
Is 13 − 9 = 2 + 2 true?
- True. Both are 4.
- False.
From “Missing Numbers to Twenty”
8 + ? = 12
Answer
From “Take From Ten in Stories”
11 − 8 = ?
Answer

Straightforward practice. Get the method working first.

3 problems

A stick takes 6 cubes laid end to end. How long is it?
Answercubes
8
What must be true about the cubes you measure with?
- They must all be the same size.
- They can be any size.
9
Ben left gaps between his cubes. Will his answer be too big or too small?
- Too small. He used fewer cubes than he should.
- Too big.

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

1 problem

Measuring a Book
Ana lays 8 cubes end to end along a book with no gaps. How long is the book?
Answercubes