#### Free Activities

Below are a list of free activities.

####
Large Group

Instructional Activities

##### Let's Chat: 5-Frames

Activity 3-A-L-1##### Around the Horn: Forward and Backward

Activity 5-A-L-1##### Adding To and Subtracting Down To a Decuple

Activity 6-A-L-1
**Addition & Subtraction to 100: Mental Strategies**

Sub-goal A

**Purpose:** Develop initial mental strategies for addition and subtraction involving adding on from a decuple and subtracting down to a decuple (e.g. 40 + 3 and 43 – x = 40)

**Description:** Students solve addition and subtraction tasks involving a 2-digit number and a 1-digit number. Tasks are presented on an empty number line, making connections to written equations.

##### Exploring Equal-Sized Groups

Activity 7-A-L-1##### Monkeying Around: Combine Collections

Activity 2-A-L-1##### Multiplication and Division with Factors of 2

Activity 8-A-L-1####
Small Group

Instructional Activities

##### Let’s Make 5

Activity 3-A-S-1##### Numeral Tracks

Activity 5-A-S-1##### Adding and Subtracting Within a Decade

Activity 6-A-S-3
**Addition & Subtraction to 100: Mental Strategies**

Sub-goal A

**Purpose:** Develop initial mental strategies for addition and subtraction involving adding and subtracting within a decade (e.g., 43 + 5 and 48 – 3) while making connections to knowledge of structuring and relational knowledge to 10

**Description:** Students solve addition and subtraction tasks involving a 2-digit number and a 1-digit number. Tasks are presented with Mini 10-frames, making connections to written equations.

##### How Many & Get Me

Activity 2-A-S-1
**Addition & Subtraction: Counting-based Strategies**

Sub-goal A

**Purpose:** Determine the numerosity of a collection and form a collection of a specified numerosity to provide foundational knowledge for addition.

**Description:** Students gain experience of counting a collection of counters and creating a collection of specified number of counters.

##### Explore Equal-Sized Groups

Activity 7-A-S-1####
Independent

Instructional Activities

##### Domino Combinations of 5

Activity 3-A-I-1##### Ultimate Tic-Tac-Toe

Activity 6-A-I-1##### I Like to Move It

Activity 5-A-I-1##### Dare to Compare

Activity 2-A-I-1##### Dessert Time: Equal Grouping

Activity 7-A-I-1
© 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^{®}.