Grade 3 Math Worksheets

John finds the solution for 8 x 6 by solving for (8 x 5) + 8. Is John correct?
Explain John’s strategy in the box below.
Standard: 3.OA.1
Domain: Operations & Algebraic Thinking
Theme: Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7.

Draw a number line and locate the fraction 5/7 on it.
Standard: 3.NF.A.2
Domain: Number & Operations – Fractions
Theme: Understand a fraction as a number on the number line; represent fractions on a number line diagram.

John starts working in the garden at 5:30 PM and finishes 40 minutes later. What time does the clock show when John finishes his work? Represent this on a number line.
Standard: 3.MD.A.1
Domain: Measurement & Data
Theme: Tell and write time to the nearest minute and measure time intervals in minutes. Solve word problems involving addition and subtraction of time intervals in minutes, e.g., by representing the problem on a number line diagram.

A pen costs $7 to buy. How much would six pens cost? Write an equation to represent this in the box below, and find the cost of six pens using the equation.
Standard: 3.OA.A.4
Domain: Operations & Algebraic Thinking
Theme: Determine the unknown whole number in a multiplication or division equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 × ? = 48, 5 = _ ÷ 3, 6 × 6 = ?

Consider two rectangles with dimensions 8 cm x 7 cm and 8 cm x 5 cm placed one above the other (as shown in the figure below).
Find the areas of the rectangles A, B and the big rectangle (formed by A and B), and show that the area of the big rectangle is equal to the sum of the areas of the two rectangles A and B. Which property is illustrated in this example. Write your answer in the box below.
Standard: 3.MD.5-7
Domain: Measurement & Data
Theme: Recognize area as an attribute of plane figures and understand concepts of area measurement.

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