Common Core · Grade 3
3.OA.C.7
Grade 3 — Fluently multiply and divide within 100; know all products of two one-digit numbers from memory.
Grade 3 — Fluently multiply and divide within 100, knowing division as the inverse of multiplication.
The 2 skills that cover it
- MultiplicationMultiply whole numbers, understanding multiplication as equal groups and as the area of a rectangle. Facts through 12 x 12 become automatic.Read the lesson →
- DivisionDivide whole numbers, with and without remainders, seeing division as sharing equally and as repeated subtraction.Read the lesson →
What a student should be able to do
- Recall multiplication facts through 12 x 12.
- Multiply a two-digit number by a one-digit number using place value.
- Multiply two two-digit numbers with the partial-products method.
- Model multiplication as equal groups and as an array or area.
- Recall division facts as the inverse of multiplication facts.
- Divide with a remainder and state the result as "quotient r remainder".
- Interpret a remainder sensibly in a word problem.
- Check a division result by multiplying back.