Digital Learning Objects

Level Four

Level Four
Number

Drive.
Drive helps users solve proportional problems with distance and time.
Drive: easy problems

Level Four
Number

Interger Cruncher.
Integer Cruncher introduces the addition and subtraction of positive and negative integers.
Integer cruncher: addition
Integer cruncher: subtraction
Integer cruncher: addition and subtraction Icon.

Level Four
Number

Loans and Savings.
Loans and Savings helps users find the nett balance of a loan account and a savings account.
Loans and Savings

Level Four
Number

Mix up.
Mix Up helps users find averages of percentages.
Mix Up: equal sized
Mix Up: different sized

Level Four
Number

The Fraction of Fractions Tool.
The Fractions of Fractions Tool helps users find fractions of fractions using an array model.
The Fractions of Fractions Tool

Level Four
Number

The Multiplier.
The Multiplier helps users solve multiplication problems by partitioning and combining.
The multiplier: make your own hard multiplications
The multiplier: generate hard multiplications
The multiplier Icon.

Level Four
Number

Modeling Numbers.
Modeling Numbers helps users to explore numbers using a variety of representations.
Modeling Numbers: decimals