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012_G3U02_WB_CA_˙—» ¿º 2011.4.5 2:48 PM ˘ ` 19 PDF_In 2540DPI 150LPI T
012-P3-1
Numbers that Satisfy Conditions
Use each number card only once, and make 4-digit numbers.
How many 4-digit numbers greater than 5,500 can you make?
3075
Step 1. Write all the numbers that can be placed in the thousands place to
make a number greater than 5,500.
Step 2. Write all the 4-digit numbers that can be made if the thousands
digit is 5.
Step 3. Among the 4-digit numbers you made in Step 2 , write all the
numbers greater than 5,500.
Step 4. Write all the 4-digit numbers that can be made if the thousands
digit is 7.
Step 5. How many 4-digit numbers greater than 5,500 can you make
using each number card once?
012-P3-1
Numbers that Satisfy Conditions
Use each number card only once, and make 4-digit numbers.
How many 4-digit numbers greater than 5,500 can you make?
3075
Step 1. Write all the numbers that can be placed in the thousands place to
make a number greater than 5,500.
Step 2. Write all the 4-digit numbers that can be made if the thousands
digit is 5.
Step 3. Among the 4-digit numbers you made in Step 2 , write all the
numbers greater than 5,500.
Step 4. Write all the 4-digit numbers that can be made if the thousands
digit is 7.
Step 5. How many 4-digit numbers greater than 5,500 can you make
using each number card once?
