Designed to help children to visualise the relationships between numbers when answering word problems involving ratio and scaling quantities. Children should see that sometimes it is easier to scale numbers in one 'direction' than the other, and that they can choose the most efficient method.
This game is now part of the 'Calculations' collection, which includes the following 17 games and resources: Column Addition, Expanded Addition, Expanded Addition - Place Value Counters, Number Bonds(2), Addition - Digit Drag, Missing Symbols, Column Subtraction, Column Subtraction using Place Value Counters, Counting on to find difference on a beadstring, Multiplication Grid Method, Multiplication Written Method, Ratio and Scaling Numbers, Representing Multiplication, Division by Chunking Up, Division by Chunking Down, Formal Written Division - Round Up or Down?, Short Division Writen Formal Method.
Click on 'Multiplication' and then 'Ratio and Scaling Numbers'.
The Calculations app is available on Google Play and the App Store.
Answer a variety of 2 step word problems using a calculator. Whatever is input into the calculator is then recorded and displayed, so children can see all the steps that have been taken. This makes it a great tool for demonstrating calculator skills on a whiteboard. It can also be really useful for children to practice independently, as they can trace and correct any mistakes they make.
Find a number when given a fraction of that number. A visual tool to help children see how to first find a unit fraction of an unknown number, and then scale this unit fraction up to find the whole number.
Match the equivalent fractions, decimals and percentages. Alternatively, you can choose to convert between just fractions and decimals, or between fractions and percentages or decimals and percentages. Diagrams to show equivalence can be turned on or off.
An excellent tool for reinforcing an understanding of the role of the equals sign. Choose one objective, or many. You can choose all the objectives for a single year group (or multiple year groups). You can also choose to balance between different types of calculations (eg addition and multiplication).
The scale is loaded with between 1 and 4 weights. The user then has to balance the scales, converting between g and kg in the process. There is a great deal of control over the level.
A great starter to explore addition, subtraction / difference and partitioning as well as the relationship between grams and kilog More…rams. Levels include converting whole kg to g (and vice versa), converting fractions of kg (eg 1/4kg = 250g) and weights in kg to 1 and 2 decimal places.