Brain Attack: Adding 10 Mentally Game

Learning Resource Type

Learning Activity

Subject Area

Mathematics

Grade(s)

1

Overview

Students will practice adding 10 more mentally using the interactive digital game "10 More Attack."

This activity results from the ALEX Resource Development Summit.

Phase

After/Explain/Elaborate
Mathematics (2019) Grade(s): 1

MA19.1.14

Given a two-digit number, mentally find 10 more or 10 less than the number without having to count, and explain the reasoning used.

UP:MA19.1.14

Vocabulary

  • Ten more
  • Ten less

Knowledge

Students know:
  • how to mentally find 10 more or 10 less of a two digit number and explain reasoning.
  • place value vocabulary: tens, ones.

Skills

Students are able to:
  • mentally add or subtract 10 from a number in the range from 1
  • 100.
  • Explain their reasoning using place value understanding and patterns.

Understanding

Students understand that:
  • patterns in the place value system can be used to mentally compute sums and differences.

Learning Objectives

Students will mentally add 10 to a given two-digit number.

Activity Details

Students will use an internet-connected device to play "10 More Attack."

In the game, they will be given a two-digit number and mentally add 10 more to sink the ships. The students' job is to destroy the robot submarines using depth changes. The only problem is the sonar screen is always off by 10 fathoms, so students will have to add ten to the two-digit number shown.

Students will record each equation in their math journals. 

Assessment Strategies

The teacher will use observation and student recordings to formatively assess students specifically looking for those who are mentally adding 10.

Background / Preparation

The teacher needs to provide the link to students.

Students must have an internet-connected device and math journal. 

Total Duration

0 to 15 Minutes

Learning Activity (After)

Brain Attack: Adding 10 Mentally Game
https://www.ictgames.com/mobilePage/depthCharger/index.html

Approved Date

Owner (Author)

csmitheles
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