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• Math (TAG): Measurement – Liquid Volume, Weight, and Time

# Math (TAG): Measurement – Liquid Volume, Weight, and Time

### Suggested Time Frame: 18 Instructional Days

##### Focus TEKS

Measuring Liquid Volume and Weight

• 3.7E determine liquid volume (capacity) or weight using appropriate units and tools. – S RC3
• 3.7D determine when it is appropriate to use measurements of liquid volume (capacity) or weight; – S RC3
• 3.4A solve with fluency one-step and two-step problems involving addition and subtraction within 1,000 using strategies based on place value, properties of operations, and the relationship between addition and subtraction; – R RC2
• 3.4K solve one-step and two-step problems involving multiplication and division within 100 using strategies based on objects; pictorial models, including arrays, area models, and equal groups; properties of operations; or recall of facts. – R RC2
• 3.7A represent fractions of halves, fourths, and eighths as distances from zero on a number line; – S RC1 [recognizing the intervals on the scales of measurement tools]
• 4.8A  identify relative sizes of measurement units within the customary and metric systems S [only work on capacity and volume units in this unit]

Time Intervals and Elapsed Time

• 3.7C determine the solutions to problems involving addition and subtraction of time intervals in minutes using pictorial models or tools such as a 15-minute event plus a 30-minute event equals 45 minutes S
• 4.8C solve problems that deal with measurements of length, intervals of time, liquid volumes, mass, and money using addition, subtraction, multiplication, or division as appropriate. [elapsed time] R
##### Computational Fluency TEKS

Multiplication and Division Facts; Two-digit Multiplication Computation and Representation

• 3.4F recall facts to multiply up to 10 by 10 with automaticity and recall the corresponding division facts. S
• 3.4G use strategies and algorithms, including the standard algorithm, to multiply a two-digit number by a one-digit number. Strategies may include mental math, partial products, and the commutative, associative, and distributive properties; – S RC2
• 4.4B determine products of a number and 10 or 100 using properties of operations and place value understandings S
• 4.4C represent the product of 2 two-digit numbers using arrays, area models, or equations, including perfect squares through 15 by 15 S
##### Spiral Review TEKS

Fraction Review Representations, Composing, and Decomposing

• 3.7A represent fractions of halves, fourths, and eighths as distances from zero on a number line  S
• 3.3A  represent fractions greater than zero and less than or equal to one with denominators of 2, 3, 4, 6, and 8 using concrete objects and pictorial models, including strip diagrams and number lines S
• 4.2G  relate decimals to fractions that name tenths and hundredths R
• 3.3B  determine the corresponding fraction greater than zero and less than or equal to one with denominators of 2, 3, 4, 6, and 8 given a specified point on a number line S
• 3.3C  explain that the unit fraction 1/b represents the quantity formed by one part of a whole that has been partitioned into b equal parts where b is a non-zero whole number S
• 3.3D  compose and decompose a fraction a/b with a numerator greater than zero and less than or equal to b as a sum of parts 1/b S
• 4.3A  represent a fraction a/b as a sum of fractions 1/b, where a and b are whole numbers and b > 0, including when a > b S
• 4.3B  decompose a fraction in more than one way into a sum of fractions with the same denominator using concrete and pictorial models and recording results with symbolic representations S

Fraction Review Equivalence

• 3.3F  represent equivalent fractions with denominators of 2, 3, 4, 6, and 8 using a variety of objects and pictorial models, including number lines R
• 3.3G explain that two fractions are equivalent if and only if they are both represented by the same point on the number line or represent the same portion of a same size whole for an area model S

Fraction Review Comparison

• 3.3H compare two fractions having the same numerator or denominator in problems by reasoning about their sizes and justifying the conclusion using symbols, words, objects, and pictorial models. – R RC1

Fraction Review Problem Solving Specific Denominators

• 3.3E  solve problems involving partitioning an object or a set of objects among two or more recipients using pictorial representations of fractions with denominators of 2, 3, 4, 6, and 8 S

Review Addition and Subtraction of Fractions with Like Denominators

• 4.3E represent and solve addition and subtraction of fractions with equal denominators using objects and pictorial models that build to the number line and properties of operations; – R RC2
• 4.3F evaluate the reasonableness of sums and differences of fractions using benchmark fractions 0, 1/4, 1/2, 3/4, and 1, referring to the same whole; and – S RC2