3rd Grade

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Standards and Practice Problem(s)


Note: Click on the hmtoggle_plus0 to open the mathcast and hmtoggle_plus1 to close it.



Students understand the place value of whole numbers.


hmtoggle_plus13NS.1.1 Count, read, and write whole numbers to 10,000.



hmtoggle_plus13NS.1.2 Compare and order whole numbers to 10,000.



hmtoggle_plus13NS.1.3 Identify the place value for each digit in numbers to 10,000.



hmtoggle_plus13NS.1.4 Round off numbers to 10,000 to the nearest ten, hundred, and thousand.



hmtoggle_plus13NS.1.5 Use expanded notation to represent numbers (e.g., 3,206 = 3,000 + 200 + 6).






Students calculate and solve problems involving addition, subtraction, multiplication, and division.


hmtoggle_plus13NS.2.1 Find the sum or difference of two whole numbers between 0 and 10,000.



hmtoggle_plus13NS.2.2 Memorize to automaticity the multiplication table for numbers between 1 and 10.



hmtoggle_plus13NS.2.3 Use the inverse relationship of multiplication and division to compute and check results.



hmtoggle_plus13NS.2.4 Solve simple problems involving multiplication of multidigit numbers by one-digit numbers (3,671 x 3 = __).



hmtoggle_plus13NS.2.5 Solve division problems in which a multidigit number is evenly divided by a one-digit number (135 ÷ 5 = __).



hmtoggle_plus13NS.2.6 Understand the special properties of 0 and 1 in multiplication and division.



hmtoggle_plus13NS.2.7 Determine the unit cost when given the total cost and number of units.



hmtoggle_plus13NS.2.8 Solve problems that require two or more of the skills mentioned above.






Students understand the relationship between whole numbers, simple fractions, and decimals.


hmtoggle_plus13NS.3.1 Compare fractions represented by drawings or concrete materials to show equivalency and to add and subtract simple fractions in context (e.g., 1/2 of a pizza is the same amount as 2/4 of another pizza that is the same size; show that 3/8 is larger than 1/4).



hmtoggle_plus13NS.3.2 Add and subtract simple fractions (e.g., determine that 1/8 + 3/8 is the same as 1/2).



hmtoggle_plus13NS.3.3 Solve problems involving addition, subtraction, multiplication, and division of money amounts in decimal notation and multiply and divide money amounts in decimal notation by using whole-number multipliers and divisors.



hmtoggle_plus13NS.3.4 Know and understand that fractions and decimals are two different representations of the same concept (e.g., 50 cents is 1/2 of a dollar, 75 cents is 3/4 of a dollar).



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