Multiply (by 9)

About This Skill

On Iqleel, Grade 3 students will discover clever strategies to master multiplying by 9. They will learn to use a 'times 10' fact, which they already know, and then subtract one group to find the answer. Students will also explore the fun patterns hidden in the nines facts. This strategic approach builds strong mental math skills and shows how to use known facts to solve more challenging problems.

Skills & Topics

• Problem Solving and Logic
• Number Sense and Operations
• Whole Numbers
• Word Problems
• Properties of Operations
• Multiplication
• Division
• Equal Groups
• Equations
• Operations
• Array
• Associative Property
• Commutative Property of Addition/Multiplication
• Distributive Property
• Factors
• Multiply
• Product
• Repeated Addition

Curriculum Alignment

• AC9M3N04: multiply and divide one- and two-digit numbers, representing problems using number sentences, diagrams and arrays, and using a variety of calculation strategies
• ENG-MATH-Y3-MD.2: Write and calculate mathematical statements for multiplication and division using the multiplication tables that they know, including for two-digit numbers times one-digit numbers, using mental and progressing to formal written methods.
• NY-3.OA.7a
• 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.OA.C.7
• MA.3.NSO.2.4
• MATH.3.4.F
• G3.B2.6
• BC.MATH.G3.CONTENT.05
• SG.MATH.P3.NA.WN.3.1
• AB.MATH.G3.MAT3-OI1-GQ3-LO1
• ZA.CAPS.MATH.G3.NOR.1.8

Practice first

• Use Equal Groups to Multiply

Related practice

• Use a Number Line to Multiply
• Multiply (by 2 and 5)
• Multiply (by 0 and 1)
• Multiply (by 8)