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  • Math (TAG): Place Value, Addition, Subtraction, Estimation, and Rounding

Math (TAG): Place Value, Addition, Subtraction, Estimation, and Rounding

Suggested Time Frame: 12 Instructional Days

        

Focus TEKS

Place Value of Whole Numbers Through 1,000,000,000 and Decimals to the thousandths

  • 5.2A  Represent the value of the digit in decimals through the thousandths using expanded notation and numerals- S
    • 4.2A   Interpret the value of each place-value position as 10 times the position to the right and as one-tenth of the value of the place to its left S
    • 4.2B   represent the value of the digit in whole numbers through 1,000,000,000 and decimals to the hundredths using expanded notation and numerals
    • 4.2C  compare and order whole numbers to 1,000,000,000 and represent comparisons using the symbols >, <, or =; – Supporting RC1
  • 5.2B  Compare and order two decimals to thousandths and represent comparisons using the symbols >, <, or = – R
  • 5.2C  Round decimals to tenths or hundredths – S

Add and Subtract Rational Numbers (Whole Numbers and Decimals to the thousandths place)

  • 5.3K  Add and subtract positive rational numbers [decimals and whole numbers in this unit] fluently- R
Computational Fluency TEKS

Review Two-digit by two-digit Multiplication Representations and Computation

  • 4.4C  Represent the product of 2 two-digit numbers using arrays, area models, or equations, including perfect squares through 15 by 15; -S
    • 5.3A  Estimate to determine solutions to mathematical and real-world problems involving addition, subtraction, multiplication, or division– S
    • 4.4D use strategies and algorithms, including the standard algorithm, to multiply up to a four-digit number by a one-digit number and to multiply a two-digit number by a two-digit number. Strategies may include mental math, partial products, and the commutative, associative, and distributive properties; – S RC2
Spiral Review TEKS

Review Decimal Numbers through the hundredths [Concrete models, pictorial models, money]

  • 4.2E represent decimals, including tenths and hundredths, using concrete and visual models and money; – S
  • 4.2F compare and order decimals using concrete and visual models to the hundredths; – S