Mental math
Beginner · 10 levels, 4 problems each.
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- 01 Beginner
Doubles to six
4 problems · 0 min - 02 Beginner
Doubles to twelve
9 problems · 1 min - 03 Beginner
Near doubles
10 problems · 1 min - 04 Beginner
Doubles and near doubles
10 problems · 2 min - 05 Beginner
Pairs that make ten
7 problems · 1 min - 06 Beginner
Pairs that land on a ten
10 problems · 2 min - 07 Beginner
Bridging ten
10 problems · 2 min - 08 Beginner
Doubles, near doubles, make ten
10 problems · 2 min - 09 Beginner
Missing number
10 problems · 2 min - 10 Beginner
To twenty review
10 problems · 2 min