Math K Enrichment Answers and Notes

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1i) a.; d.

1g) a.

1f) Check your child's work.


2i) Check students' work.

2g) Answers will vary; check students' work.

2f) Check your child's work. Ask your child to explain how he or she figured out the pattern.


3i) Check students' work.

3g) Answers will vary; check students' work.

3f) Check your child's work and correct any counting errors.


4i) a.

4g) b.

4f) Your child should recognize that the red pieces are the same color but of different shapes. When you line up the pieces by size, your child should recognize that the pieces are the same size but of different shapes and colors; when you line up the pieces by shape, your child should recognize that the pieces are the same shape but of different colors and sizes.


5i) a.; Answers will vary; check students' work.

5g) Answers will vary; check students' work.

5f) five children


6i) a.; b.

6g) Jim, Rose, Catherine, Ed

6f) Check your child's answer.


7i) c.; b.

7g) Students should draw six kittens and three fish; they should recognize that there are more kittens than fish.

7f) Listen to your child as he or she counts. Correct counting errors. Then ask your child to recount the items.


8i) b.; The hour hand is pointing to the 1.

8g) c.; b.

8f) Ask your child to explain how he or she told the time. Make sure you give a time to the hour.


9i) b.

9g) c.

9f) 5¢, 2¢, 3¢


10i) d.; This is an ABB pattern.

10g) Answers will vary; observe and check students' work.

10f) An AB pattern is, for example, red, blue, red, blue. An ABB pattern is, for example, red, blue, blue, red, blue, blue.


11i) c.

11g) Check students' work.

11f) Check your child's work. Ask him or her to count the dimes by 10, as appropriate.


12i) c.

12g) Observe students' work. They should conclude that one quart will hold four cups.

12f) four cups


13i) d.

13g) least votes -- bird; same number of votes -- monkey and giraffe: 4 votes each

13f) Check your child's graph. Ask what the finished graph is called. If your child does not call it a pictograph, remind him or her that it is called a pictograph.


14i) a.

14g) Observe and check students' work.

14f) Your child should select the longer paper clip chain.


15i) d.

15g) There are four cards in each pile. The student who is responsible for numbers 6–10 will have more cards altogether because, for this game, jack, queen, and king stand for 10.

15f) Have your child name the winner of each round and explain why that person won.


16i) Check students' designs to make sure two squares, three triangles, and one parallelogram were used.

16g) Answers will vary; check students' work.

16f) Have your child name the shape of each object he or she identifies.


17i) d.

17g) Check students' work.

17f) Combinations will vary; a possible distribution of the coins into groups of 35¢ is three dimes, five pennies; two dimes, two nickels, five pennies; seven nickels.


18i) Check students' work.

18g) Check students' work.

18f) Check your child's work.


19i) b.

19g) Answers will vary. The cards may be sorted by suit, color, or number.

19f) Observe your child to find out whether he or she understands how to sort.


20i) b.

20g) Answers will vary; check students' work.

20f) Answers will vary depending on the number of crayons with which you began.