3.NBT.A.2

Crate Breaker: Total Maker

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Game Info for Teachers

COMBINED RATING

4.4 Stars

TEACHERS (9)

4.3

STUDENTS (5224)

4.4

LENGTH

20 Minutes

GRADES

CAPABILITIES

iPad Support

Spanish Language Support

Text-to-Speech Support

Saves Progress

Description

Your rocket is running out of fuel! Break the crates to release the stars and re-power your engines. You'll secure your understanding of place value and develop fluency in addition and subtraction of 3-digit numbers while you complete each level. But plan each move carefully; collecting too many stars could spell disaster!

Vocabulary Words

place value

ones

tens

hundreds

addition

subtraction

Instructions

Play through this interactive game to learn about Fluently Add Or Subtract Within 1000. Suitable for Grade 3, Grade 4, Grade 5.

Main Concepts

Use algorithms based on place value to subtract within 1000.

Use algorithms based on place value to add within 1000.

Use the relationship between addition and subtraction to add and subtract within 1000.

Use properties of operations to subtract within 1000.

Use properties of operations to add within 1000.

While moving to the right across the places in a number the digits represent smaller units.

Discussion Questions

Before the Game

What is the highest number that can appear in the ones column? What is the highest number that we can appear in the tens column?

After the Game

What happened when the number of ones collected went higher than nine? What happened when the number of tens collected went higher than nine? How many tens in the number 200? What is 300 + 450?