4.NBT.B.5

Attack on Blob: Mega Multiply

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Game Info for Teachers

COMBINED RATING

4.2 Stars

TEACHERS (14)

4.6

STUDENTS (3528)

3.8

LENGTH

16 Minutes

GRADES

CAPABILITIES

iPad Support

Spanish Language Support

Text-to-Speech Support

Saves Progress

Description

Multiple space blobs have pierced through the sky! Banish these threats with the power of mathematics before they wreak havoc!

Vocabulary Words

multiplication

factor

distributive property

product

area

equation

partial products

Instructions

Play through this interactive game to learn about Multiply Four By One And Two By Two Digit Numbers. Suitable for Grade 3, Grade 4, Grade 5.

Main Concepts

Multiply a whole number of up to four digits by a one-digit whole number using strategies based on the properties of operations.

Multiply a whole number of up to four digits by a one-digit whole number using strategies based on place value.

Explain multiplication of a whole number up to four digits by a one-digit whole number and of two two-digit numbers by using equations, rectangular arrays, and/or area models.

Multiply a whole number of up to four digits by a one-digit whole number using strategies based on place value and the properties of operations.

Multiply two two-digit numbers using strategies based on place value and the properties of operations.

Discussion Questions

Before the Game

What does it mean to multiply a number? What are the parts of a multiplication problem? How do you multiply 3-digit numbers? What is a shortcut for multiplying numbers that have a 0 in the ones place?

After the Game

How does picturing finding the area of a rectangle help with using the distributive property to multiply? What tricks did you learn from the game that will help you multiply two numbers? What is 30 x 50? What is 12 x 80?