Page 45 - NUMINO_WB_2A
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010-P1-1
Making Numbers with Number Cards
Follow the rules and make three-digit numbers with the given
number cards. How many different numbers can you make?
Rule Number Cards
The sum of the digits in the 237 9
hundreds place and the
tens place should be 10.
Step 1. Write the numbers that add up to 10 in the .
(,)
Step 2. Write the numbers you found in Step 1 in the hundreds
place and the tens place. Write the remaining number in
the ones place.
hundreds tens ones hundreds tens ones
hundreds tens ones hundreds tens ones
Step 3. Write the numbers in which the sum of the digits in the
hundreds place and tens place is 10. How many such
numbers are there?
Making Numbers with Number Cards
Follow the rules and make three-digit numbers with the given
number cards. How many different numbers can you make?
Rule Number Cards
The sum of the digits in the 237 9
hundreds place and the
tens place should be 10.
Step 1. Write the numbers that add up to 10 in the .
(,)
Step 2. Write the numbers you found in Step 1 in the hundreds
place and the tens place. Write the remaining number in
the ones place.
hundreds tens ones hundreds tens ones
hundreds tens ones hundreds tens ones
Step 3. Write the numbers in which the sum of the digits in the
hundreds place and tens place is 10. How many such
numbers are there?
