Monkeying Around: Combine Collections  (Large Group)

2-A-L-1

Purpose: Explore combining two collections 

Description: Students explore combining two collections presented in scenarios to find the total.  

Materials

  • Prepared Digital Slides (optional)

What To Say and Do

  • 1

    Introduce students to the animals involved in the scenarios. Inform them we are going to explore what these silly animals are up to.

  • 2

    Discuss combining two collections within a context such as: 

    1. Show four monkeys in a tree displayed in a regular spatial pattern  Ask, “How many silly monkeys are playing in the tree.”
    2. Place three more monkeys under the tree in a regular dot pattern.  Ask, “How many monkeys came to play with them?” 
    3. Ask, “How many monkeys are playing altogether?”
  • 3

    Provide opportunities for students to discuss how they figured out the total.

  • 4

    Repeat with other scenarios.

Variations

This activity may be difficult for students who need materials in front of them. Consider having available counters to support perceptual counting.

© 2022 US Math Recovery Council®. All rights reserved. Permission is hereby granted for individual use only to support student learning. No other part of this product may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise without the written permission of the US Math Recovery Council®.