Lesson 4 Compare Numbers on a Number Line

• Let’s use the number line to compare numbers.

Warm-up Number Talk: Subtract Fives

Find the value of each expression mentally.

Activity 1 Compare the Numbers

• Partner A:

• Roll 3 number cubes and find the sum.

• Put a counter on the location of the sum.

• Partner B:

• Roll 3 number cubes and find the sum.

• Put a counter on the location of the sum on the same number line.

• Decide which number is greater and explain.

• Use , , or to compare the 2 numbers represented on your number line.

Partner A

, , or

Partner B

Activity 2 Compare Larger Numbers

• Each partner rolls 2 number cubes and makes a two-digit number.

• Locate and label your numbers on the number line.

• Use >, <, or = to compare the numbers.

• Explain why your comparison is true.

Partner A

, , or

Partner B

Problem 1

Locate and label each pair of numbers on the number line. Then use or to compare the numbers.

1. 23 and 27

2. 34 and 43