SME
Grade 2 Math · Problem type
Regroup tens and hundreds
Use this for “3 hundreds, 14 tens and 5 ones is ___.”
Picture
445: four hundred forty-five
Flats are hundreds, rods are tens, small cubes are ones.
This is an example. Type the numbers from your problem to start.
Hundreds
hundreds
+
Tens
tens
+
Ones
ones
=
Number
Number sentences
3 hundreds + 14 tens + 5 ones = 445
Good to know
•
10 ones make 1 ten. 10 tens make 1 hundred.
•
A number can have more than 9 tens or ones. Trade every 10 ones for a ten.
Step-by-step
WE KNOW
Hundreds: 3
Tens: 14
Ones: 5
FIND
number
Step 1 · Find number
3 hundreds + 14 tens + 5 ones = ?
Find the value of the hundreds and the tens. Then add them with the ones.
3 hundreds = 300
14 tens = 140
300 + 140 = 440
440 + 5 = 445
Number: 445
Check
Put the numbers back in. Both sides should match.
300 + 140 + 5 = 445 ✓
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