Counting & Writing Numbers to 120 — Answer Key
Part A: Trace the Words
Trace each word carefully by following the dotted lines.
1. hundred
2. count
3. twenty
4. digit
5. number
6. tens
Part B: Fill in the Blank
Write the missing word or number on each line.
1. What number comes right after 99? 100
The number 100 comes right after 99 because 99 + 1 = 100.
2. What number comes right before 120? 119
The number 119 comes right before 120 because 119 + 1 = 120.
3. Count by ones: 67, 68, 69, 70
When counting by ones, the next number after 69 is 70 because 69 + 1 = 70.
4. What number comes right after 109? 110
The number 110 comes right after 109 because 109 + 1 = 110.
Part C: True or False?
Read each statement. Circle True or False.
1. The number 120 comes right after 119.
True False
True. Since 119 + 1 = 120, the number 120 does come right after 119.
2. The number 75 comes right before 73.
True False
False. 75 is bigger than 73, so it comes after 73, not before it. The number 72 comes right before 73.
3. When counting by ones, 101 comes after 100.
True False
True. When counting by ones, you add 1 each time, and 100 + 1 = 101, so 101 comes right after 100.