IXL Math - Maine third-grade math standards

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Maine

Skills available for Maine third-grade math standards

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3.A Number

3.A.1 Students understand and use number notation and place value to 10,000 in numerals.
3.A.1.a Read and write numbers up to 10,000 in numerals and words.
- Numbers and comparing: Write numbers in words (Third grade - A.1)
- Decimals: Understanding decimals expressed in words (Third grade - R.3)
3.A.1.b Recognize the place values of digits in numbers up to 10,000.
3.A.1.c Compare and order numbers with up to four digits.
3.A.2 Students understand and use procedures to add and subtract whole numbers with up to four digits.
3.A.2.a Display an understanding of the base ten place value system.
3.A.2.b Use an operation appropriate to a given situation.
3.A.3 Students understand and apply meanings of multiplication and division.
3.A.3.a Multiply single-digit numbers and divide using single-digit divisors and up to two-digit dividends (division facts only, but remainders may be present).
3.A.3.b Use an operation appropriate to a given situation.
3.A.3.c Recognize and use models for multiplication and division situations.
- Multiplication: Multiplication sentences (Second grade - W.1)
- Multiplication: Multiplication sentences (Third grade - E.1)
3.A.3.d Use multiple strategies for multiplication and division.
3.A.4 Students recognize, name, compare, illustrate, and use simple fractions.
3.A.4.a Recognize, name, and illustrate fractions with denominators from two to ten.
- Fractions: Fractions of a number (Third grade - Q.8)
- Fractions: Fractions of a number - word problems (Third grade - Q.9)
3.A.4.b Recognize, name, and illustrate parts of a whole.
- Fractions: Fraction review (Third grade - Q.1)
- Fractions: Fraction review - word problems (Third grade - Q.2)
3.A.4.c Compare and order fractions with like numerators or with like denominators.

3.B Data

3.B.1 Students understand and use measurement of time and temperature.
3.B.1.a Select appropriate tools and units for these measures.
- Time: Relate time units (Third grade - M.5)
- Time: Convert between hours and fractions of hours (Third grade - M.7)
3.B.1.b Solve and justify problems with these measures.
3.B.2 Students read, construct, and interpret bar graphs.

3.C Geometry

3.C.1 Students identify, describe, and classify familiar two-dimensional shapes.
3.C.1.a Describe and classify two-dimensional shapes according to the number of vertices and by number, length and shape of sides.
3.C.1.b Know how to put shapes together and take them apart to form other shapes.
3.C.1.c Identify edges, vertices, and right angles in two-dimensional shapes.
- Geometry: Count and compare sides, edges, faces, and vertices (Third grade - P.2)
3.C.1.d Tell whether a given angle is greater or smaller than a right angle.
- Geometry: Angles: greater than, less than, or equal to a right angle (Third grade - P.9)
3.C.2 Students understand how to find the distance around a figure.
3.C.2.a Calculate and measure the distance around a figure whose perimeter is comprised of straight edges.

3.D Algebra

3.D.1 Students use equivalent expressions to aid computation such as knowing that 43 + 56 is the same as 40 + 3 + 50 + 6.
3.D.2 Students find the unknown in simple equations (or open sentences) in the context of numbers and operations as described in Standard 2.1: Number for this grade level such as: 3 + 5 = [ ] + 3, 3 + 9 = [ ] + 10, [ ] + () = 10.
3.D.3 Students understand arithmetic relationships among positive whole numbers.
3.D.3.a Use the inverse relationships between addition and subtraction and between multiplication and division and the commutative laws of multiplication and addition to solve problems.
3.D.3.b Be able to show that for whole numbers subtraction and division are not commutative and show that multiplication and addition are commutative.
3.D.4 Students create, describe, explain and extend patterns with numbers and geometric objects.