Ten more is still the square straight below. That has not changed.
Step 1: Let's Learn
Read it, or press Listen and follow the words.
Without looking
Ten more than 54 is 64. The 4 stays. The tens go up by one.
Ten less than 54 is 44. The 4 still stays.
It works anywhere on the chart
Ten more from 47 is 57, the same way ten more from 7 is 17. The move does not care where you start.
Watch the edges
Ten more than 95 is 105, which is off the bottom of a hundred chart. The rule keeps working after the picture runs out.
Step 2: Try It Yourself
Tap and try it out.
Step 3: Watch an Example
One step at a time.
Watch Leo Add Ten
Leo starts on 67 and wants ten more.
- Step 1
He keeps the ones digit in mind: 7.
Step 4: Your Turn
Practice makes it stick.
Saving Stickers
Problem 1 of 1
Ana has 48 stickers. She gets ten more. How many now?
stickers
Ten More, Ten Less
1 of 3
Ten more than 35 is?
2 of 3
Ten less than 72 is?
3 of 3
Ten more than 90 is?
Step 5: Quick Check
Show what you know.
Question 1 of 2
Ten more than 66 is?
Question 2 of 2
Ten less than 41 is?
What You Learned
- Ten more and ten less only change the tens digit.
- The ones digit stays exactly the same.
- This works for every number to 100.