Doesn’t worth to bother
I think all those who created this app should look at the curriculum of different grades! Maybe only in the UK kids knows in grade 1 how to mentally add a single digits to double digits.
Maths Skill Builders Reviews: Is It Legit?
Is Maths Skill Builders Safe?
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Is Maths Skill Builders Legit?
Maths Skill Builders - Canada appears to be a legitimate app. AppsHunter Legitimacy Score for Maths Skill Builders is 90/100.
Based on 90 of 100 points across 7 verification signals from App Store and developer data.