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Elementary and Middle School Mathematics: Teaching Developmentally

John A. Van de Walle, Karen S. Karp, Jennifer M. Bay-Williams

Chapter 9

Developing Meanings for the Operations - all with Video Answers

Educators

Chapter Questions

02:02

Problem 1

Make up a compare story problem. Alter the problem to provide an example of all six different possibilities for compare problems.

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Ankit Gupta
Numerade Educator
00:42

Problem 2

Explain how missing-part activities prepare students for mastering subtraction facts.

Julie Silva
Julie Silva
Numerade Educator
03:38

Problem 3

Make up multiplication story problems to illustrate the difference between equal groups and multiplicative comparison. Create a story problem involving rates or products of measures.

Swati Agarwal
Swati Agarwal
Numerade Educator
03:51

Problem 4

Make up two different story problems for $36 \div 9$. Create one problem as a measurement problem and one as a partition problem.

Kelly Hughes
Kelly Hughes
Numerade Educator
02:29

Problem 5

Make up realistic measurement and partition division problems in which the remainder is dealt with in each of these three ways: (a) it is discarded (but not left over); (b) it is made into a fraction; (c) it forces the answer to the next whole number.

Meredith Moody
Meredith Moody
Numerade Educator
02:45

Problem 6

Why is the use of key words not a good strategy to teach children?

Alyssa Mae L.
Alyssa Mae L.
Numerade Educator