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Mathematics | Grade : 4
Domain - Operations and Algebraic Thinking
Cluster - Gain familiarity with factors and multiples.
[4.OA.B.4] - Find all factor pairs for a whole number in the range 1–100. Recognize that a whole number is a multiple of each of its factors. Determine whether a given whole number in the range 1–100 is a multiple of a given one-digit number. Determine whether a given whole number in the range 1–100 is prime or composite.
- Composite number
A whole number that has more than two factors. - Digit
a) Any of the Arabic numerals 1 to 9 and usually the symbol 0; b) One of the elements that combine to form numbers in a system other than the decimal system. - Prime number
A whole number greater than 1 whose only factors are 1 and itself. - Whole numbers
The numbers 0, 1, 2, 3,...
[3.OA.C.7] -
Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 x 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of grade 3, know from memory all products of two single-digit numbers and related division facts. For example, the product 4 x 7 = 28 has related division facts 28 ÷ 7 = 4 and 28 ÷ 4 = 7.
[6.NS.B.4] -
Use prime factorization to find the greatest common factor of two whole numbers less than or equal to 100 and the least common multiple of two whole numbers less than or equal to 12. Use the distributive property to express a sum of two whole numbers 1–100 with a common factor as a multiple of a sum of two relatively prime numbers.
For example, express 36 + 8 as 4(9 + 2).
[6.EE.A.1] -
Write and evaluate numerical expressions involving whole-number exponents.