Page 18 - 新思维数学学生用书3 样章

1.2 Comparing and ordering

Think like a mathematician

Use these numbers and symbols First, it is

to make three correct statements. easier to use the equals

234, 243, 243, 278, 278, 287, <, =, >. sign and two numbers

Find a different way to do it. that are the same.

Compare your answers with those of someone
else in your class. How are they the same?

How are they different? Work together to find

all the possible solutions.

Do you agree with Sofia? Why?

Look what I can do!

I can compare numbers by looking at the value of each digit in turn.

I can use the inequality symbols is less than, <, and is greater than, >,

when comparing two numbers.

I can order numbers from smallest to greatest and from greatest

to smallest.

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