SME
Grade 2 Math · Problem type
Solve compare problems
Use this for “28 in the gym, 65 in the library. How many more are in the library?”
Picture
The bigger amount is 15 more than the smaller amount.
This is an example. Type the numbers from your problem to start.
Bigger amount
example
Smaller amount
example
How many more (or fewer)
answer
Number sentences
15 = 52 − 37
Good to know
•
Compare problems ask: how many more? How many fewer?
•
“Maya has 2 more than Kofi”: Maya has the bigger amount, Kofi’s amount + 2.
•
“More” in the question doesn’t always mean add. First find who has more.
•
“How many more” and “how many fewer” have the same answer.
Step-by-step
WE KNOW
Bigger amount: 52
Smaller amount: 37
FIND
how many more (or fewer)
Step 1 · Find how many more (or fewer)
? = 52 − 37
Take the smaller amount from the bigger one. Or count up from the smaller bar.
4
12
5
2
−
3
7
1
5
37 + 3 = 40
40 + 10 = 50
50 + 2 = 52
Jumps: 3 + 10 + 2 = 15
How many more (or fewer): 15
Check
Put the numbers back in. Both sides should match.
15 = 52 − 37 ✓
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