# Addition and Subtraction Crossword

This puzzle helps you practice addition and subtraction within 100 ([Outcome](https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29844)). You will use words like ADD, WHOLE, PART, DOUBLE, GROUP, COMPOSE, MISSING, and EQUAL. These words describe how numbers combine and split apart ([Details](https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29846)). Good number strategies use doubles and known facts to solve new problems ([Details](https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29846)).

## How to play

Read each clue below. Think of the math word it describes. Write your answer in the puzzle grid. Each letter goes in one box. Some words share letters where they cross. Use the clue numbers to find the right starting box.

| ■ | ■ | ■ | ■ | ■ | ■ | 1 | ■ | ■ | ■ | ■ |
|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
| ■ | ■ | ■ | ■ | 2 |   |   |   | 3 | ■ | ■ |
| ■ | ■ | ■ | ■ | ■ | ■ |   | ■ | 4 |   |   |
| ■ | ■ | ■ | ■ | 5 | ■ |   | ■ |   | ■ | ■ |
| ■ | ■ | ■ | ■ |   | ■ |   | ■ |   | ■ | ■ |
| 6 |   | 7 |   |   |   |   | ■ | ■ | ■ | ■ |
| ■ | ■ |   | ■ |   | ■ | ■ | ■ | ■ | ■ | ■ |
| ■ | ■ |   | ■ | 8 |   |   |   |   | ■ | ■ |
| ■ | ■ |   | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ |
| ■ | ■ |   | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ |
| ■ | ■ |   | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ |
| ■ | ■ |   | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ |

## Clues

### Across

2. A collection of things together. (5)
4. Put two groups together to find how many in all. (3)
6. Put pieces together to make something whole. (7)
8. The same amount or value. (5)

### Down

1. A number added to itself, or twice as much. (6)
3. One piece of something larger. (4)
5. All the parts put together; the complete amount. (5)
7. Not there; not found. (7)

## Answer key

- **1 down**: DOUBLE
- **2 across**: GROUP
- **3 down**: PART
- **4 across**: ADD
- **5 down**: WHOLE
- **6 across**: COMPOSE
- **7 down**: MISSING
- **8 across**: EQUAL

| ■ | ■ | ■ | ■ | ■ | ■ | D | ■ | ■ | ■ | ■ |
|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
| ■ | ■ | ■ | ■ | G | R | O | U | P | ■ | ■ |
| ■ | ■ | ■ | ■ | ■ | ■ | U | ■ | A | D | D |
| ■ | ■ | ■ | ■ | W | ■ | B | ■ | R | ■ | ■ |
| ■ | ■ | ■ | ■ | H | ■ | L | ■ | T | ■ | ■ |
| C | O | M | P | O | S | E | ■ | ■ | ■ | ■ |
| ■ | ■ | I | ■ | L | ■ | ■ | ■ | ■ | ■ | ■ |
| ■ | ■ | S | ■ | E | Q | U | A | L | ■ | ■ |
| ■ | ■ | S | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ |
| ■ | ■ | I | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ |
| ■ | ■ | N | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ |
| ■ | ■ | G | ■ | ■ | ■ | ■ | ■ | ■ | ■ | ■ |

---
*AILI game · language en · model claude-sonnet-5 · generated 2026-09-17 · id 96334fe4-14ae-4a8c-adcb-519581889b3d*

### Sources

- node:n1: Number: Quantity is measured with numbers that enable counting, labelling, comparing, and operating. (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29733)
- node:n2: How can addition and subtraction provide perspectives of number? (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29756)
- node:n3: Students examine addition and subtraction within 20. (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29757)
- node:n4: Details (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29759)
- node:n5: Number: Quantity is measured with numbers that enable counting, labelling, comparing, and operating. (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29820)
- node:n6: How can addition and subtraction be interpreted? (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29843)
- node:n7: Students investigate addition and subtraction within 100. (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29844)
- node:n8: Details (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29846)
- node:n9: Number: Quantity is measured with numbers that enable counting, labelling, comparing, and operating. (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29915)
- node:n10: How can processes be established for addition and subtraction? (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29922)
- node:n11: Students apply strategies for addition and subtraction within 1000. (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29923)
- node:n12: Details (https://goa-cc-uat-aili-app-001.azurewebsites.net/explore/node/29925)