# Add Sub K-1

> Education

Canonical page: [https://chrome-stats.com/d/id486199509](https://chrome-stats.com/d/id486199509)

## Overview

- **ID:** `id486199509`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Classroom Focused Software
- **Category:** Education
- **Rating:** 3.00 / 5 (1 ratings)
- **Version:** 1.6.1
- **Last updated:** 2018-10-27
- **First published:** 2011-12-08
- **Size:** 35 MB
- **Data as of:** 2026-09-05
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/add-sub-k-1/id486199509)
- **Privacy policy:** [https://www.classroomfocusedsoftware.com/cfsprivacypolicy.html](https://www.classroomfocusedsoftware.com/cfsprivacypolicy.html)

## Description

Part of the Math Practice Tools CFS Bundle

Practice Addition facts through 10 and Subtraction facts up to 20 minus 10.  
• Select Sums to 5, 10, 15, or 20. 
• OR adjust the addends separately for your problems in the a+b=c form. And make separate selections for the minuend and subtrahend when solving a-b=c problems.
• Display problems vertically or horizontally.

Practice Addition using three addends in the form of a+b+c=x+y or a+b+c=x. 
• A subtraction option for a-b=x-y is also provided. 

Options include showing objects when a problem is displayed, using counters to drag into place, using a 10-frame, or using marker board to help solve the problem.

## Rankings

- #939,517 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id486199509)