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• Math: Introducing Order of Operations and Prime and Composite Numbers

# Math: Introducing Order of Operations and Prime and Composite Numbers

### Suggested Time Frame: 11 Instructional Days

##### Focus TEKS

Order of Operations

• 5.4F simplify numerical expressions that do not involve exponents, including up to two levels of grouping; – R RC1
• 5.4E describe the meaning of parentheses and brackets in a numeric expression; – S RC1

Prime and Composite Numbers

• 5.4A identify prime and composite numbers; – S RC1
##### Computational Fluency TEKS

Grade 3 Multiplication and Division Facts (Use Tens, Doubling)

• 3.4F recall facts [focus on tens, fives, twos, fours, and eights in this unit] to multiply up to 10 by 10 with automaticity and recall the corresponding division facts;- S RC2
##### Spiral Review TEKS

Grade 4 Fractions

• Grade 4 Representing Fractions
• 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 RC1
• 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 RC1
• Grade 4 Equivalence – Fractions
• 4.3C determine if two given fractions are equivalent using a variety of methods; – S RC1
• 4.3G represent fractions and decimals to the tenths or hundredths as distances from zero on a number line. – S RC1
• Grade 4 Comparisons – Fractions
• 4.3D compare two fractions with different numerators and different denominators and represent the comparison using the symbols >, =, or <; – R RC1
• Grade 4 Adding and Subtracting – Fractions
• 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