Grade 3 Math (North Carolina SCOS)

Operations and Algebraic Thinking (OA)

• Represent and solve problems involving multiplication and division
• NC.3.OA.1 Interpret products of single-digit numbers as equal groups and explain strategies such as arrays and repeated addition.
• NC.3.OA.2 Interpret division as equal sharing or grouping and explain strategies such as arrays and repeated subtraction.
• NC.3.OA.3 Solve one-step multiplication and division word problems using arrays, pictures, or equations with unknowns.
• Understand properties of multiplication and the relationship between multiplication and division
• NC.3.OA.6 Solve unknown-factor problems by dividing or by rewriting them as multiplication.
• Multiply and divide within 100
• NC.3.OA.7 Know all products of one-digit numbers from memory and use the multiplication–division relationship fluently.
• Solve two-step problems
• NC.3.OA.8 Solve two-step word problems with addition, subtraction, or multiplication, writing equations with symbols for unknowns.
• Explore patterns of numbers
• NC.3.OA.9 Interpret patterns of multiplication on a hundreds board or multiplication table.

Number and Operations in Base Ten (NBT)

• Use place value understanding to add and subtract
• NC.3.NBT.2 Add and subtract within 1,000 using estimation, the inverse relationship, and expanded form.
• Generalize place value understanding for multi-digit numbers
• NC.3.NBT.3 Multiply a one-digit number by a multiple of 10 from 10 to 90 using models and place value.

Number and Operations – Fractions (NF)

• Understand fractions as numbers
• NC.3.NF.1 Understand unit fractions with denominators 2, 3, 4, 6, and 8 as equal parts of a whole, using models.
• NC.3.NF.2 Interpret fractions with these denominators on area models and number lines.
• NC.3.NF.3 Represent equivalent fractions, fractions equal to one whole, and whole numbers as fractions.
• NC.3.NF.4 Compare fractions with the same numerator or the same denominator using models and symbols.

Measurement and Data (MD)

• Solve problems involving measurement
• NC.3.MD.1 Tell and write time to the nearest minute and solve addition and subtraction time problems within one hour.
• NC.3.MD.2 Estimate and measure customary length, capacity, and weight and solve one-step measurement problems.
• Represent and interpret data
• NC.3.MD.3 Make and interpret scaled picture graphs, scaled bar graphs, and frequency tables and solve "how many more" problems.
• Understand the concept of area
• NC.3.MD.5 Find the area of rectangles with whole-number sides by tiling with unit squares and counting.
• NC.3.MD.7 Relate area of rectangles to multiplication and addition, including splitting rectangles into smaller ones.
• Understand the concept of perimeter
• NC.3.MD.8 Solve perimeter problems for polygons, including finding an unknown side length.

Geometry (G)

• Reason with shapes and their attributes
• NC.3.G.1 Compose and decompose triangles and quadrilaterals and draw examples and non-examples of quadrilateral types.