Chapter 12

Upon completion of Unit 12:

• 3.OA.A.3. Use multiplication and division within 100 to solve word problems in situations involving equal groups, arrays, and measurement quantities.
• 3.OA.A.4. Determine the unknown whole number in a multiplication or division equation relating three whole numbers.
• 3.OA.B.5. Apply properties of operations as strategies to multiply and divide.
• 3.OA.B.6. Understand division as an unknown-factor problem.
• 3.OA.C.7. Fluently multiply and divide within 100, using strategies such as the relationship between multiplication and division (e.g., knowing that 8 × 5 = 40, one knows 40 ÷ 5 = 8) or properties of operations. By the end of Grade 3, know from memory all products of two one-digit numbers.
• 3.NBT.A.2. Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
• 3.MD.A.2. Measure and estimate liquid volumes and masses of objects using standard units of grams (g), kilograms (kg), and liters (l). Add, subtract, multiply, or divide to solve one-step word problems involving masses or volumes that are given in the same units, e.g., by using drawings (such as a beaker with a measurement scale) to represent the problem.
• MP.1. Make sense of problems and persevere in solving them.
• MP.2. Reason abstractly and quantitatively.
• MP.4. Model with mathematics.
• MP.5. Use appropriate tools strategically.