From combining groups of blocks to multi-digit mental math — addition is the first operation kids own.
17 articles
Skills your child will master
Builds number bonds first so kids see the relationship between parts and wholes, then layers in standard algorithms once the reasoning is solid.
A clear guide to the math skills your second grader should master — from adding and subtracting within 1000 to early multiplication thinking, place value, and standard measurement. Know what is on track.
A clear guide to the math skills your kindergartner should master — from counting to 100 and adding within 5 to comparing numbers and recognizing shapes. Know what is on track and what needs attention.
A clear guide to the math skills your first grader should master — from addition and subtraction within 20 to place value, telling time, and early measurement. Know exactly what is on track.
A clear, honest guide to what math skills your child should have mastered at each grade level — from Pre-K through 8th grade. Use this to assess where your child stands and identify gaps.
A fact family is a group of related math facts using the same three numbers. Here is what they are, why they matter, and how they connect addition to subtraction and multiplication to division.
Fact families show that addition/subtraction and multiplication/division are two sides of the same coin. Here is how to teach this relationship so your child stops treating each operation as a separate world.
Regrouping — also called carrying and borrowing — is the process of trading between place values. Here is what it means, why it works, and how to explain it to your child.
Regrouping is where most kids first hit a wall in math. They can add single digits fine, but 27 + 15 breaks everything. Here is how to teach regrouping so your child understands why they 'carry the one.'
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