Mental math worksheets grade 4: free download. On-line document store on 5y1.org

[DOC File]Mental Math - StFX
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Grade 4. Addition Compensation. Note: This strategy for addition involves changing one number to a ten or hundred; carrying out the addition and then adjusting the answer to compensate for the original change. ... Mental Math ...
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[DOCX File]pendleton county schools grade 4 math curriculum map
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4.NBT.5: Multiply a whole number of up to four digits by a one-digit whole number, and multiply two two-digit numbers, using strategies based on place value and the properties of operations. Illustrate and explain the calculation by using equations, rectangular arrays, and/or area models.
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[DOC File]mrstorch.weebly.com
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Determine if answers make sense using mental math, estimation, and mental math. Find factor pairs for whole numbers 1-100. Recognize a whole number as a multiple of each of its factors. Decide whether a whole number (1-100) is a multiple of a given one-digit number. Determine if a whole number (1-100) is prime or composite
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[DOC File]Grade/Subject:
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Find the sum, difference, and product of two numbers expressed as decimals through thousandths, using paper and pencil, estimation, mental computation, and calculators. Determine the quotient, given a dividend expressed as a decimal through thousandths and a single-digit divisor. For example, 5.4 divided by 2 and 2.4 divided by 5.
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Mental math worksheets grade 4