**Question 21**: Conservation **Question 22**: True **Question 23**: Cardinality **Question 24**: Conservation **Question 26**: Match **Question 27**: Observation **Question 28**: True **Q

Here are the answers based on your questions: **Question 21** Study the case below and identify the option that best describes the pre-number concepts illustrated in the case study. Ms. Smith made two equal rows of eight objects in front of Lerato. She spread them out equally so that they look the same to the child: ``` OOOOOOOO OOOOOOOO ``` Ms. Smith then asked Lerato to count the top row to check if the rows were the same. Lerato replied that they were the same. Ms. Smith then took the second row of eight objects and spread them apart so that the row looked different from the top row: ``` OOOOOOOO O O O O O O O O ``` She asked Lerato if both rows were the same now, and Lerato replied "No." Just by moving the objects around, he believed that the number of objects had changed. A. Conservation **Answer**: A. Conservation **Question 22** Patterning is one of the basic mathematical skills, which children develop in the early years to be used as a foundation to understand concepts that are more complex. **Answer**: True **Question 23** The idea that the last count of a group of objects represents the total number of objects in the group is referred to as... A. Reversal B. Cardinality C. Seriation D. Unitising **Answer**: B. Cardinality **Question 24** Shahaan agrees to exchange his whole apple for two halves because he knows that this is a fair exchange. According to the Piagetian theory of development, Shahaan demonstrates development of: A. Object permanence B. Subtraction C. Conservation D. Class inclusion **Answer**: C. Conservation **Question 26** Which step does not form part of the data handling process? A. Interpret B. Represent C. Collect D. Match **Answer**: D. Match **Question 27** Which of the following options is the most appropriate strategy for assessing young children's mathematical understanding? A. Group work B. Oral C. Observation D. Written **Answer**: C. Observation **Question 28** A large part of space and shape involves learning the names and properties of 2-D shapes and 3-D objects. **Answer**: True **Question 29** Classification is when a learner instantly recognizes at a glance the number of dots on cards without counting them out. **Answer**: False **Question 30** Construction play involves exploration through constructing, creating, reasoning, and... A. Measuring B. Classification C. Problem-solving D. Seriation **Answer**: C. Problem-solving