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• Math: Finalizing Fluency with Whole Number Addition and Subtraction

# Math: Finalizing Fluency with Whole Number Addition and Subtraction

### Suggested Time Frame: 16 Instructional Days

##### Focus TEKS

• 4.4A add and subtract whole numbers and decimals to the hundredths place using the standard algorithm; – R RC2
• 4.4G round to the nearest 10, 100, or 1,000 or use compatible numbers to estimate solutions involving whole numbers; and – S RC2

Problem Solving (Some of the types of problems students should be solving during this unit)

• 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. – R RC3 [word problems using measurement contexts, whole numbers, addition and subtraction only in this unit]
• 4.9B solve one- and two-step [addition and subtraction] problems using data in whole number, decimal, and fraction form in a frequency table, dot plot, or stem-and-leaf plot. – S RC4
• 4.9A represent data on a frequency table, dot plot, or stem-and-leaf plot marked with whole numbers and fractions; – R RC4

Represent Problem Situations (Strip Diagrams and Equations)

• 4.5A represent multi-step problems involving the four operations [addition and subtraction in this unit] with whole numbers using strip diagrams and equations with a letter standing for the unknown quantity; – R RC2
##### Computational Fluency TEKS

Grade 3 Multiplication and Division Facts (Doubling fact strategy)

• 3.4F recall facts [focus on twos, fours, and eights in this unit] to multiply up to 10 by 10 with automaticity and recall the corresponding division facts;- S RC2
• 3.4E represent multiplication facts by using a variety of approaches such as repeated addition, equal-sized groups, arrays, area models, equal jumps on a number line, and skip counting; – S RC2