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Arithmetic ability: level three: mental addition of four-digit numbers.

Return to exercise selection

1661 + 6396 =

8919 + 1130 =

5107 + 8542 =

6366 + 5229 =

2366 + 8248 =

2914 + 1476 =

7968 + 2850 =

3786 + 8660 =

3748 + 4747 =

2877 + 1848 =

Return to exercise selection



Main / Brain training

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metodorf.com



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Weekly Games & Trainers Collection:
Bean Counting Trainer
Spatial Reasoning Cube Folding Test
Sound reaction time test
Attention trainer: Find the differences
Space Incident Cognitive Test
Short-term Memory Words Test
Formula reaction test at the start
Arithmetic Trainer
Number Rows Memory Test
Logical Order Trainer
Faces Memory Trainer
Red-Black Table Test

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