Illustrative Mathematics
Illustrative Mathematics: Running to School
This is the easiest problem in a series of three tasks involving fraction multiplication that can be solved with pictures or number lines. Aligns with 5.NF.B.6.
Illustrative Mathematics
Illustrative Mathematics: 4.oa, Md Karl's Garden
The purpose of the task is for students to solve a multi-step multiplication problem in a context that involves area. Aligns with 4.MD.A.3.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Interpreting a Division Computation
Sixth graders are shown the arithmetic for a multi-digit division problem and are asked to use it to find the products of related multiplication questions. Aligns with 6.NS.B.2.
Scholastic
Scholastic: Math Maven's Mysteries: Mystery at the Peculiar Zoo
Use this site to sharpen your multiplication and division skills and solve a zoo mystery.
Mr. Martini's Classroom
Mr. Martini's Classroom: Math Practice Site Index
The interactive mathematics index explores elementary arithmetic and math practice. Students review addition, subtraction, multiplication, and division. The resource has quizzes, tables, flashcards, and interactive exercises.
Better Lesson
Better Lesson: Area and Perimeter Review Using Legos
Lesson plan in which students calculate area, build areas to a given amount, and calculate the perimeter with the use of Legos. Step by step instructions and videos are provided. CCSS.Math.Content.3.MD.C.7.c Use area models to represent...
Other
Teachers on the Web: A Maths Dictionary for Kids
On this site from Aussie School House Teachers on the Web, an Australian K-6 teacher defines and illustrates more than 500 mathematical terms. It is a wonderful dictionary featuring clear and often interactive graphics, great colors, and...
Illustrative Mathematics
Illustrative Mathematics: Reasoning About Multiplication
This is a good task to work with kids to try to explain their thinking clearly and precisely, although teachers should be willing to work with many different ways of explaining the relationship between the magnitude of the factors and...
Illustrative Mathematics
Illustrative Mathematics: 5.nf Comparing a Number and a Product
The purpose of this task is for students to compare a number and its product with other numbers that are greater than and less than one. Aligns with 5.NF.B.5.
Illustrative Mathematics
Illustrative Mathematics: To Multiply or Not to Multiply?
Many real world problems appear similar. Even when children might know what operation to choose when the problem only involves whole numbers, they often are confused with fractions. It is also important for students to know that 18x25 is...
Illustrative Mathematics
Illustrative Mathematics: 5.md,oa You Can Multiply Three Numbers in Any Order
The purpose of this task is for students to use the volume of a rectangular prism to see why you can multiply three numbers in any order you want and still get the same result. Aligns with 5.OA.A and 5.MD.C.5.
Other
Mathematics Computation
This site gives you math worksheets to save the teacher time and keep the students learning.
Illustrative Mathematics
Illustrative Mathematics: Calculator Trouble
Even though students can solve this problem by multiplying, it is unlikely they will. Here it is much easier to answer the question if you can think of multiplying a number by a factor as scaling the number. Aligns with 5.NF.B.5.
Illustrative Mathematics
Illustrative Mathematics: 5.nf Fundraising
This task asks students to multiply rational numbers. Aligns with 5.NF.B.5.
Illustrative Mathematics
Illustrative Mathematics: 5.nf Grass Seedlings
For the sake of this commentary, let R be the height of Rual's seedlings (of course students do not need to use a letter to represent any number in this task). Student must compare the size of each of two products (112xR, and 34xR) to...
Illustrative Mathematics
Illustrative Mathematics: Picturing Factors in Different Orders
The purpose of this task is to help learners picture the multiplicative structure of the number 30 in different ways. Some of this structure is easier to communicate using grouping symbols, as it is easier to interpret...
Illustrative Mathematics
Illustrative Mathematics: 6.ee Distance to School
This task asks students to find equivalent expressions by visualizing a familiar activity involving distance. The given solution shows some possible equivalent expressions, but there are many variations possible. Aligns with 6.EE.A.2.
Illustrative Mathematics
Illustrative Mathematics: 4.oa Multiples of Nine
This task examines the interesting fact that when a number is divisible by 9 then the sum of its digits is also divisible by 9. Aligns with 4.OA.C.5.
Illustrative Mathematics
Illustrative Mathematics: 3.nbt How Many Colored Pencils?
The purpose of this task is to support students' reasoning based on place value to multiply a single digit number by a multiple of 10. Aligns with 3.NBT.A.3.
Mr. Martini's Classroom
Mr. Martini's Classroom: Multiplying With Multiple Choice Answers
Practice multiplication facts 4 to 9 with this interactive multiple choice activity.
CK-12 Foundation
Ck 12: Arithmetic: Mental Math to Multiply by Decimal Powers of Ten
[Free Registration/Login may be required to access all resource tools.] Use mental math to multiply by decimal powers of ten.
University of Saskatchewan (Canada)
Emr: Exercises in Math Readiness
Practice your mental math skills with this site, where practice problems in addition, subtraction, multiplication, and division abound. Introductory, intermediate, and advanced levels are available. Just type in your answer and you'll...
Other
Teaching Tables
At this site find interactive exercises, lesson ideas, and resources for learning and teaching multiplication tables.