SME
Kindergarten Math · Measurement & Data
Compare length, height, weight and capacity
Use this for “Which pencil is longer? How many cubes longer?”
Picture
First pencil is 3 cubes longer.
Second pencil is 3 cubes shorter.
Both start at the same line. Count the cubes past the dashed line.
This is an example. Type the numbers from your problem to start.
First pencil
example · cubes
Second pencil
example · cubes
Cubes that stick out
worked out · cubes
Number sentences
Line up 9 and 6: 3 cubes stick out
Good to know
•
Line up one end of each at the same place.
•
The one that sticks out is longer.
•
Count the cubes that stick out. That is how much longer.
Step-by-step
WE KNOW
First pencil: 9 cubes
Second pencil: 6 cubes
FIND
cubes that stick out
Step 1 · Find cubes that stick out
Line up 9 and 6: ? cubes stick out
Line up the pencils at one end. Count the cubes that stick out.
9 − 6
The first pencil is longer.
Count on from 6: 7, 8, 9 → 3
Cubes that stick out: 3 cubes
Check
Put the numbers back in. Both sides should match.
9 − 6 = 3 ✓
Topic check
See what you know: 5 questions on this topic
New questions each time. Pass to mark it complete.
Refresh
Nothing to review first. This is a starting point.