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Subject Area - CC.2:
Mathematics
  • Standard Area - CC.2.1: Numbers and Operations
  • Grade Level - CC.2.1.5: GRADE 5
Standard - CC.2.1.5.B.1

Apply place value to show an understanding of operations and rounding as they pertain to whole numbers and decimals.

  • Anchor Descriptor - M05.A-T.1.1 Demonstrate understanding of place-value of whole numbers and decimals, and compare quantities or magnitudes of numbers.
    • Eligible Content - M05.A-T.1.1.1 Demonstrate an understanding that in a multi-digit number, a digit in one place represents 1/10 of what it represents in the place to its left. Example: Recognize that in the number 770, the 7 in the tens place is 1/10 the 7 in the hundreds place.
    • Eligible Content - M05.A-T.1.1.2 Explain patterns in the number of zeros of the product when multiplying a number by powers of 10 and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10. Example 1: 4 × 10^2 = 400 Example 2: 0.05 ÷ 10^3 = 0.00005
    • Eligible Content - M05.A-T.1.1.3 Read and write decimals to thousandths using base-ten numerals, word form, and expanded form. Example: 347.392 = 300 + 40 + 7 + 0.3 + 0.09 + 0.002 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (0.1) + 9 × (0.01) + 2 × (0.001)
    • Eligible Content - M05.A-T.1.1.4 Compare two decimals to thousandths based on meanings of the digits in each place using >, =, and < symbols.
    • Eligible Content - M05.A-T.1.1.5 Round decimals to any place (limit rounding to ones, tenths, hundredths, or thousandths place).
Standard - CC.2.1.5.B.2

Extend an understanding of operations with whole numbers to perform operations including decimals.

  • Anchor Descriptor - M05.A-T.2.1 Use whole numbers and decimals to compute accurately (straight computation or word problems).
    • Eligible Content - M05.A-T.2.1.1 Multiply multi-digit whole numbers (not to exceed three-digit by three-digit).
    • Eligible Content - M05.A-T.2.1.2 Find whole-number quotients of whole numbers with up to four-digit dividends and two-digit divisors.
    • Eligible Content - M05.A-T.2.1.3 Add, subtract, multiply, and divide decimals to hundredths (no divisors with decimals).
Standard - CC.2.1.5.C.1

Use the understanding of equivalency to add and subtract fractions.

  • Anchor Descriptor - M05.A-F.1.1 Solve addition and subtraction problems involving fractions (straight computation or word problems).
    • Eligible Content - M05.A-F.1.1.1 Add and subtract fractions (including mixed numbers) with unlike denominators. (May include multiple methods and representations.) Example: 2/3 + 5/4 = 8/12 + 15/12 = 23/12
Standard - CC.2.1.5.C.2

Apply and extend previous understandings of multiplication and division to multiply and divide fractions.

  • Anchor Descriptor - M05.A-F.2.1 Solve multiplication and division problems involving fractions and whole numbers (straight computation or word problems).
    • Eligible Content - M05.A-F.2.1.1 Solve word problems involving division of whole numbers leading to answers in the form of fractions (including mixed numbers).
    • Eligible Content - M05.A-F.2.1.2 Multiply a fraction (including mixed numbers) by a fraction.
    • Eligible Content - M05.A-F.2.1.3 Demonstrate an understanding of multiplication as scaling (resizing). Example 1: Comparing the size of a product to the size of one factor on the basis of the size of the other factor without performing the indicated multiplication. Example 2: Explaining why multiplying a given number by a fraction greater than 1 results in a product greater than the given number (recognizing multiplication by whole numbers greater than 1 as a familiar case); explaining why multiplying a given number by a fraction less than 1 results in a product smaller than the given number.
    • Eligible Content - M05.A-F.2.1.4 Divide unit fractions by whole numbers and whole numbers by unit fractions.
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