Operations- Multiplication & Division
Factors, Multiples, Prime, Composite, and Divisibility Rules
4.OA.4 - I can find factor pairs for whole numbers 1 - 100.
I can recognize a whole number as a multiple of each of its factors.
I can decide whether a whole number (1-100) is a multiple of a given number.
I can determine if a whole number is prime or composite.
factor pairs with area model
multiples with area model
finding multiples using number bonds
finding multiples using number lines
Multiplication
4.NBT.5 - I can multiply a four-digit whole number by a one digit whole number using strategies and properties of operations. I can multiply two 2-digit numbers using strategies and properties of operations. I can represent and explain the calculation using equation, rectangular array, and/or area models.
Using place value understanding to solve multiplication problems
partial products
area model
Division
4.NBT.6 Find whole-number quotients and remainders with up to four-digit dividends and one-digit divisors, using strategies based on place value, the properties of operations, and/or the relationship between multiplication and division. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
solve using arrays
solve using friendly multiples
remainders as fractions
remainders as whole numbers
Dividing large numbers
GAMES
Try this game!
Try this game!
Try this game!
Try this game!