Section II Fundamental Concepts and Skills Unit 8 One-to-One Correspondence ©2013 Cengage Learning. All Rights Reserved.

One-to-One Correspondence One-to-one correspondence is the most fundamental component of the concept of number understanding that one group has the same number of things as another group ©2013 Cengage Learning. All Rights Reserved.

Examples of One-to-One Correspondence Activities Naturalistic Activities Infant discovers he can hold one thing in each hand Toddler places one wooden peg in each hole Preschool child places a car in each garage he has built Informal Activities Ask children to pass out items to class-mates: scissors, crayons, paper, napkins, or snacks Check to see if everyone has their coat on, two mittens on, a cup of milk, or a chair Adult Guided Activities Matching activities such as spoons to bowls, animals to cages, or groups of items ©2013 Cengage Learning. All Rights Reserved.

Five Characteristics to Vary One-to-One Correspondence Activities Perceptual characteristics Number of items to be matched Concreteness Physically joined or not physically joined Groups of the same or not the same number ©2013 Cengage Learning. All Rights Reserved.

Evaluation of One-to-One Correspondence Activities Notice each child’s response during adult guided activities Notice during free play if the child passes out materials to other children one at a time Notice whether children can put items away by matching each item with a drawing of the item ©2013 Cengage Learning. All Rights Reserved.

Section II Fundamental Concepts and Skills Unit 11 Comparing ©2013 Cengage Learning. All Rights Reserved.

Discoveries Made through Comparison The relationship between two things or groups of things on the basis of a specific attribute informal measurement size length height weight speed quantity measurement are two groups the same or does one group have more things? ©2013 Cengage Learning. All Rights Reserved.

Comparison Terms Informal measurement Number large—small big—little long—short tall—short fat—skinny heavy—light fast—slow cold—hot thick—thin wide—narrow near—far later—sooner (earlier) older—younger (newer) higher—lower loud—soft (sound) Number more—less/fewer ©2013 Cengage Learning. All Rights Reserved.

Examples of Comparison Activities Naturalistic Activities Infants learn some things are small or large when they handle them Toddlers find that some places are narrow or wide as they move about Preschool child compares groups and sizes of blocks Informal Activities Comment on the child’s play materials using basic informal terms When the difference between two groups is large, the child can tell that one is larger than the other by looking When the difference is small, the child will need to use one-to-one correspondence or counting Adult Guided Activities Commercial materials Computer software Books and games Informal measurement comparing two objects or two groups ©2013 Cengage Learning. All Rights Reserved.

Evaluation Does the child compare during play? Does the child understand and use basic comparison words? Ask questions without disrupting play Are there more cows or chickens in your barn? Who is older, your brother or you? Who is taller, your father or your brother? ©2013 Cengage Learning. All Rights Reserved.