3rd Grade Mathematics Missouri Learning Standards*
According to the Missouri Learning Standards, 3rd grade Mathematics instructional time should focus on four critical areas.
NUMBER SENSE AND OPERATIONS IN BASE TEN
Video Lesson: Rounding to the nearest 10 (6:21 mins)
Video Lesson: Rounding to the nearest 100 (4:55 mins)
Video Lesson: Examples rounding to the nearest 10 and 100 (6:16 mins)
Video Lesson: Multiplying by multiples of 10 (3:04 mins)

I can round whole numbers to the nearest 10 or 100.

I can read, write and identify whole numbers within 100,000 using base ten numerals, number names and expanded form.

I can demonstrate fluency with addition and subtraction within 1000.

I can multiply whole numbers by multiples of 10 in the range 1090.
NUMBER SENSE AND OPERATIONS IN FRACTIONS
Video Lesson: Introduction to fractions (5:40 mins)
Video Lesson: Fraction basics (4:14 mins)
Video Lesson: Equivalent fractions (5:50 mins)
Video Lesson: More on equivalent fractions (4:53 mins)
Video Lesson: Fractions on a number line (4:15 mins)
Video Lesson: Comparing fractions with same numerator (3:45 mins)
Video Lesson: Comparing fractions with same denominator (3:09 mins)
Video Lesson: Comparing fractions w/greater than and less than symbols (5:18 mins)
Video Lesson: Comparing fractions visually and on number line (4:42 mins)
Video Lesson: Equivalent fractions and different wholes (6:05 mins)

I can understand a unit fraction as the quantity formed by one part when a whole is partitioned into equal parts.

I can understand that when a whole is partitioned equally, a fraction can be used to represent a portion.

I can represent fractions on a number line.

I can demonstrate that two fractions are equivalent if they are the same size, or the same point on a numberline.

I can recognize and generate equivalent fractions using visual models, and justify why the fractions are equivalent.

I can compare two fractions with the same numerator or denominator using the symbols >, = or <, and justify the solution.

I can explain why fraction comparisons are only valid when the two fractions refer to the same whole.
RELATIONSHIPS AND ALGEBRAIC THINKING
Video Lesson: Basic multiplication (13:20 mins)
Video Lesson: Multiplication 2: The multiplication tables (15:26 mins)
Video Lesson: Multiplication 3: 10,11,12 times tables (12:10 mins)
Video Lesson: Order doesn’t matter when purely multiplying (5:33 mins)
Video Lesson: Multiplying by tens word problem (2:29 mins)
Video Lesson: Properties and patterns for multiplication (8:33 mins)
Video Lesson: Division 1 (17:01 mins)
Video Lesson: The idea of division (8:00 mins)
Video Lesson: Examples relating multiplication to division (3:26 mins)
Video Lesson: Unknowns with multiplication and division (5:17 mins)
Video Lesson: Rounding to the nearest 10 (6:21 mins)
Video Lesson: Rounding to the nearest 100 (4:55 mins)
Video Lesson: Examples rounding to the nearest 10 and 100 (6:16 mins)
Video Lesson: Practice finding patterns in numbers (3:37 mins)
Video Lesson: Perimeter word problem (skating rink) (2:27 mins)
Video Lesson: Perimeter word problem (tables) (3:59 mins)

I can interpret products of whole numbers.

I can interpret quotients of whole numbers.

I can describe in words or drawings a problem that illustrates a multiplication or division situation.

I can use multiplication and division within 100 to solve problems.

I can determine the unknown number in a multiplication or division equation relating three whole number.

I can apply properties of operations as strategies to multiply and divide.

I can multiply and divide with numbers and results within 100 using strategies such as the relationship between multiplication and division or properties of operations.

I can demonstrate fluency with products within 100.

I can write and solve twostep problems involving variables using any of the four operations.

I can interpret the reasonableness of answers using mental computation and estimation strategies including rounding.

I can identify arithmetic patterns and explain the patterns using properties of operations.
GEOMETRY AND MEASUREMENT
Video Lesson: Introduction to types of quadrilaterals (8:06 mins)
Video Lesson: Cutting shapes into equal parts (1:35 mins)
Video Lesson: Telling time to the nearest minute (3:43 mins)
Video Lesson: Telling time problems with number line (6:43 mins)
Video Lesson: Time differences (4:02 mins)
Video Lesson: Time Differences 1 (9:56 mins)
Video Lesson: Telling time exercise example 1 (2:50 mins)
Video Lesson: Telling time exercise example 2 (2:15 mins)
Video Lesson: Estimating lengths (2:02 mins)
Video Lesson: Measuring lengths 2 (4:39 mins)
Video Lesson: Measuring lengths with different units (2:53 mins)
Video Lesson: Length word problems (5:49 mins)
Video Lesson: Introduction to area and unit squares (4:16 mins)
Video Lesson: Finding perimeter when a side length is missing (3:30 mins)
Video Lesson: Decomposing shapes to find area (grids) (2:50 mins)
Video Lesson: Decomposing shapes to find area (add) (3:35 mins)
Video Lesson: Decomposing shapes to find area (subtract) (3:11 mins)
Video Lesson: Measuring area with partial unit squares (3:15 mins)
Video Lesson: Transitioning from counting to multiplying to find area (3:21 mins)
Video Lesson: Comparing areas and perimeters of rectangles (5:33 mins)
Video Lesson: Creating rectangles with a given area 1 (3:27 mins)
Video Lesson: Creating rectangles with a given area 2 (2:46 mins)
Video Lesson: Introduction to place value (5 58 mins)

I can understand that shapes in different categories may share attributes and that the shared attributes can define a larger category.

I can distinguish rhombuses and rectangles as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to these subcategories.

I can partition shapes into parts with equal areas, and express the area of each part as a unit fraction of the whole.

I can tell and write time to the nearest minute.

I can estimate time intervals in minutes.

I can solve problems involving addition and subtraction of minutes.

I can measure or estimate length, liquid volume and weight of objects.

I can use the four operations to solve problems involving lengths, liquid volumes or weights, given in the same units.

I can calculate area by using unit squares to cover a plane figure with no gaps or overlaps.

I can label area measurements with squared units.

I can demonstrate that tiling a rectangle to find the area and multiplying the side lengths result in the same value.

I can multiply wholenumber side lengths to solve problems involving the area of rectangles.

I can find rectangular arrangements that can be formed for a given area.

I can decompose a rectangle into smaller rectangles to find the area of the original rectangle.

I can solve problems involving perimeters of polygons.

I can understand that rectangles can have equal perimeters but different areas, or rectangles can have equal areas but different perimeters.

use place value understanding and properties of operations to perform multidigit arithmetic.
DATA AND STATISTICS
Video Lesson: Interpreting picture graphs (paint) (1:22 mins)
Video Lesson: Interpreting picture graphs (notebook) (3:44 mins)
Video Lesson: Solving problems with pictographs 2 (3:38 mins)
Video Lesson: Interpreting bar graphs (colors) (4:04 mins)
Video Lesson: More solving problems with bar graphs (3:48 mins)
Video Lesson: Reading bar graph examples (2:56 mins)
Video Lesson: Creating picture and bar graphs 2 exercises (4:57 mins)
Video Lesson: Introduction to line plots (4:00 mins)
Video Lesson: Marking data on line plots (5:04 mins)

I can create frequency tables, scaled picture graphs and bar graphs to represent a data set with several categories.

I can solve one and twostep problems using information presented in bar and/or picture graphs.

I can create a line plot to represent data.

I can use data shown in a line plot to answer questions.