Understanding Times Tables

***** Editor´s Choice - For Excellence in Design - Children´s Technology Review *****
Award winning "Understanding Maths - Times Tables" is the first app in a series of educational apps based on J. Bruner's Learning Theory “Three Modes of Representation”. Understand and practise multiplication and division in 4 games and show your skills in the Duel! Compete against your peers or even parents by setting different levels of difficulty!
THE HUNDRED BOARD
Solve the problem by pulling the sheet on the Hundred Board. Understand the commutative property of multiplication (4x8 is equivalent to 8x4).
Common Core Standard Apply properties of operations as strategies to multiply and divide
MULTIPLICATION
Solve the problem by touching the display. 3 x 4 - tap 3 times with 4 fingers. The multiplication shows as a shortened addition. See and feel the quantity. After the problem is solved, you can pop the objects by touching them.
Common Core Standard Interpret products of whole numbers, e.g., interpret 3x4 as the total number of objects in 3 groups of 4 objects each.
DIVISION
Solve the problem by dragging the objects into the boxes. Find the number of shares when objects are partitioned into equal shares. You can move several objects at the same time. You can write the solution over the boxes.
Once you reach the most difficult level (after 200 correct answers) you will get problems with remainders (excample 4 R3)
Common Core Standard Interpret whole-number quotients of whole numbers
TRAINING
Solve the problem by writing the solution onto the screen. Help is provided by the iconic representation of the numbers.
Common Core Standard Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division

DUEL
Two players compete against each other. Each player can choose his level of difficulty. Kids can play against their peers or against their parents, simply choose the appropriate level.
Level 1: 1,2,5,10
Level 2: 1,2,3,4,5,10
Level 3: 1,2,3,4,5,6,8,10, 0
Level 4: 1,2,3,4,5,6,7,8,9,10, 0
Tap the sun to start. The first to enter the correct solution will earn a star. Earning 5 stars wins the game. The results are not tracked in the scoreboard!
Common Core Standard Know from memory all products of two one-digit numbers
TOOLBOX HUNDRED BOARD
This Montessori Hundred Board is a tool to help understand multiplication. Explore multiplication and division by playing with the board. Adjust the board for individual use. Activate the factors, multiplication, division and the solution separately.
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