🔢 Part 1: Number Line Missing Numbers

1. Fill in the missing numbers on this number line:

25, 26, ____, 28, ____, 30, 31

2. Complete this number line:

134, ____, 136, ____, ____, 139, 140

3. What numbers are missing?

287, 288, ____, ____, 291, 292

4. Fill in the gaps:

456, ____, ____, 459, 460, ____

📊 Part 2: Hundreds Chart Practice

5. Look at this part of a hundreds chart. Fill in the missing numbers:

43 44 ___ 46 47
53 ___ 55 ___ 57
63 64 65 66 ___
___ 74 75 76 77

6. Complete this section of the hundreds chart:

128 ___ 130
___ 139 ___
148 149 ___

7. What strategy did you use to find the missing numbers? Choose the best answer:

I counted forwards and backwards by ones

I looked at the pattern in the numbers

I used what I know about tens and ones

All of the above

8. Create your own number sequence with 2 missing numbers for a friend to solve:

9. Explain how you would help someone find a missing number on a hundreds chart: