lesson 26

lesson 26

Learning Target

hole number sums and differences within 100 on a number line.

Open Ended

When finding the sum of 15+18 on a number line. What number do you start with?

Multiple Choice

What number do you start with on the number line when adding 15+18?

• 15

• 18

• 33

• You can start with 15 or 18

Explain how this number line shows 15+18.

Let's Try

25+22=?

Let's Try

44+19=?

Multiple Choice

Using the number line above, what is the solution to the equation 7+3?

• 10

• 6

• 9

• 4

Multiple Choice

What is is the missing number?

• 61

• 64

• 63

• 65