“How do I help my 3rd grader learn the times tables?”
Multiplication facts
Facts to 10 × 10, and the shortcuts that break.
Help for parents · K to grade 5
The question you typed into the search bar.
Each guide takes one thing parents ask about, explains what the school means by it, lists the handful of ways children get it wrong and why, and ends with a short check you can hand to your child that names the pattern it sees, if any.
“How do I help my 2nd grader with borrowing?”
Subtraction with regrouping (borrowing)
Two- and three-digit take-away, when the top digit is smaller.
“How do I help my child with carrying in addition?”
Addition with regrouping (carrying)
When a column adds past nine.
“How do I help my child with fractions?”
Fractions: equal parts, equivalence, adding
Why 1/4 + 2/4 is not 3/8.
“How do I help my 4th grader with long division?”
Division with remainders and long division
Including the methods that are not long division.
“How do I teach my child to tell time on a clock?”
Telling time on an analog clock
O'clock, half past, five minutes, elapsed time.
“How do I help my child with place value?”
Place value and counting past 100
Teens, decades, hundreds, and what a digit is worth.
“How do I help my child with math word problems?”
Word problems
Why keywords fail and what to do instead.
“How do I help my child with rounding and decimals?”
Rounding, and comparing decimals
Why 0.45 is not bigger than 0.5.
The guides are written from the same catalogue of children's mistakes that Cardinal Math uses inside the app. Want to know when the next one is up? Tell us.