SME
Kindergarten Math · Counting & Cardinality
Count objects and tell how many
Use this for “How many dots? What is one more? What is one less?”
Picture
Line
Rows
Circle
Scattered
Tap each dot once to count it.
7 dots, however they are arranged
After one more: 8
After one less: 6
This is an example. Type the numbers from your problem to start.
Dots
example
After one more
answer
After one less
worked out
Number sentences
1 more than 7 is 8
1 less than 7 is 6
Good to know
•
Touch and count each object once.
•
The last number you say tells how many.
•
Moving the dots doesn’t change how many there are.
Step-by-step
WE KNOW
Dots: 7
FIND
after one more, after one less
Step 1 · Find after one more
1 more than 7 is ?
Count the dots. Add one more and say the next number.
7 + 1
Count: 1, 2, 3, 4, 5, 6, 7 → 7
One more: 8
After one more: 8
Step 2 · Find after one less
1 less than 7 is ?
Take one away. Say the number just before.
7 − 1
After one less: 6
Check
Put the numbers back in. Both sides should match.
1 more than 7 is 8 ✓
1 less than 7 is 6 ✓
Topic check
See what you know: 5 questions on this topic
New questions each time. Pass to mark it complete.
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