Instructions
Welcome to the Great Zoo Inventory! You are the official Zoo Accountant, and you need to add up the totals for animals, visitors, and supplies. Use your addition strategies and remember to regroup (carry the 10) when the total in any column is 10 or more.
- Read each question carefully and set up the addition problem.
- Start adding in the Ones column (far right).
- If you get 10 or more, circle 10 and move it to the next column (regroup).
- Complete all sections. The final section is a challenge!
Section 1: The Zoo Snack Count (Regrouping Practice)
We need to count how many bags of food we have. Use the table below to help keep your Ones and Tens separated. Remember to regroup when the total in the Ones column is 10 or more.
| Tens | Ones | Addition Problem |
|---|---|---|
| 3 | 5 | 35 |
| + 2 | 8 | + 28 |
| --- | --- | --- |
| 6 (3+2+1 regrouped) | 3 (5+8=13, so 3 remains) | 63 (Example) |
| Tens | Ones | Addition Problem |
|---|---|---|
| 4 | 7 | 47 |
| + 3 | 6 | + 36 |
| --- | --- | --- |
| Tens | Ones | Addition Problem |
|---|---|---|
| 5 | 9 | 59 |
| + 1 | 4 | + 14 |
| --- | --- | --- |
| Tens | Ones | Addition Problem |
|---|---|---|
| 2 | 6 | 26 |
| + 6 | 7 | + 67 |
| --- | --- | --- |
Section 2: Total Animal Tally (Vertical Addition)
Set up these problems vertically (one number on top of the other) and solve. Circle the regrouped number at the top of the next column.
-
71 + 19 =
Answer: _____
-
48 + 35 =
Answer: _____
-
133 + 48 = (Hint: Now you have Hundreds!)
Answer: _____
Section 3: Visitor Tracking (Word Problems)
Read the scenario and write down the addition problem needed to find the total.
-
On Monday, 250 people visited the zoo. On Tuesday, 315 people visited. How many visitors came to the zoo in total during those two days?
Equation:
Total Visitors: _____
-
The zoo needs 84 new signs for the exhibits and 29 new benches for the picnic area. How many items (signs and benches) must the zoo order?
Equation:
Total Items: _____
Section 4: The Budget Challenge (Adding within 1000)
These problems require you to regroup more than once! You must be precise with your place value.
-
The zoo spent $145 on bananas and $376 on meat for the lions. How much money did the zoo spend in total?
Equation:
Total Cost: _____
-
The bird exhibit has 298 blue parrots and 157 red macaws. How many birds are in the exhibit?
Equation:
Total Birds: _____
Answer Key
Section 1: The Zoo Snack Count
| Tens | Ones | Addition Problem |
|---|---|---|
| 4 | 7 | 47 |
| + 3 | 6 | + 36 |
| --- | --- | --- |
| 8 | 3 | 83 |
| Tens | Ones | Addition Problem | |
|---|---|---|---|
| 5 | 9 | 59 | |
| + 1 | 4 | + 14 | |
| --- | --- | --- | \ |
| 7 | 3 | 73 |
| Tens | Ones | Addition Problem | | :---: | :---: | :---: |\ | 2 | 6 | 26 | | + 6 | 7 | + 67 | | --- | --- | --- |\ | 9 | 3 | 93 |
Section 2: Total Animal Tally
- 71 + 19 = 90
- 48 + 35 = 83
- 133 + 48 = 181
Section 3: Visitor Tracking (Word Problems)
- Equation: 250 + 315. Total Visitors: 565
- Equation: 84 + 29. Total Items: 113
Section 4: The Budget Challenge
- Equation: 145 + 376. Total Cost: $521 (Regrouping required in the Ones and Tens place)
- Equation: 298 + 157. Total Birds: 455 (Regrouping required in the Ones and Tens place)