# Surf for More Math

## Chapter 6: Addition and Subtraction

**Lesson 7: Solving Missing Part Number Stories **

Use these interactive activities to encourage students to have fun on the Web while learning about addition and subtraction. Students can try these activities on their own or in pairs.

**Goal**

Determine the missing part in addition and subtraction situations.

[C, CN, PS, R]

**Instructions for Use**

**Busy Bees** allows students to determine the missing part in subtraction situations.

Read the question carefully and determine how many bees went inside the hive. Type your answer into the blank text box. Click the arrow for another question.