SME
Grade 1 Math · Problem type
Solve compare problems
Use this for “16 shells and 7 shells. How many more shells?”
Picture
Bigger amount has 4 more cubes.
Smaller amount has 4 fewer cubes.
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.
Bigger amount
example
Smaller amount
example
How many more (or fewer)
answer
Number sentences
11 − 7 = 4
Good to know
•
Compare problems ask: how many more? How many fewer?
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“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: 11
Smaller amount: 7
FIND
how many more (or fewer)
Step 1 · Find how many more (or fewer)
11 − 7 = ?
Take the smaller amount from the bigger one. Or count up from the shorter row.
7 + 3 = 10
10 + 1 = 11
Jumps: 3 + 1 = 4
How many more (or fewer): 4
Check
Put the numbers back in. Both sides should match.
11 − 7 = 4 ✓
Topic check
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