Go through the Math in Focus Grade K Workbook Answer Key Chapter 9 Comparing Sets to finish your assignments.

## Math in Focus Kindergarten Chapter 9 Answer Key Comparing Sets

**Lesson 1 Comparing Sets of Up to 10**

**Count and Write.**

Question 1.

Answer:

Explanation:

Counted 5, wrote the number in the given space.

Question 2.

Answer:

Explanation:

Counted 4, wrote the number in the given space.

Question 3.

Answer:

Explanation:

Counted 9, wrote the number in the given space.

Question 4.

Answer:

Explanation:

Counted 6, wrote the number in the given space.

**Which has more? Color. Which has fewer? Circle.**

Question 1.

Answer:

Explanation:

Colored 5 ducks which are more and circled fewer 3 cocks .

Question 2.

Answer:

Explanation:

Colored 7 bees which are more and circled fewer 4 frogs .

Question 3.

Answer:

Explanation:

Colored 5 socks which are more and circled fewer 4 caps.

**What cannot be counted? Circle.**

Question 1.

Answer:

Explanation:

Seashore cannot counted.

Question 2.

Answer:

Explanation:

Flour cannot counted.

Question 3.

Answer:

Explanation:

Tree leaves cannot counted.

**Lesson 2 Comparing Sets of 11 to 20**

**Count and write. Circle the set with more.**

Question 1.

Answer:

Explanation:

Counted 11, 13 and wrote. Circled the set 13 with more.

Question 2.

Answer:

Explanation:

Counted 16, 15 and wrote. Circled the set 16 with more.

**Match one-to-one. Then, color the set with fewer.**

Question 1.

Answer:

Explanation:

Matched one-to-one. Then, colored the set with fewer.

Question 2.

Answer:

Explanation:

Matched one-to-one. Then, colored the set with fewer.

Question 3.

Answer:

Explanation:

Matched one-to-one. Then, colored the set with fewer.

**Lesson 3 Comparing Sets to Find the Difference**

**Color the extra cubes red. Count and write how many more.**

Question 1.

Answer:

Explanation:

Colored the extra 3 cubes with red. Counted 13 and wrote.

Question 2.

Answer:

Explanation:

Colored the extra 5 cubes with red. Counted 12 and wrote.

Question 3.

Answer:

Explanation:

Colored the extra 8 cubes with red. Counted 26 and wrote.

**Draw, count, and write.**

Question 1.

The tower in Box A has ____2_____ fewer cubes than the tower in Box B.

Answer:

Explanation:

Drawn a tower of 3 cubes in Box A and drawn a tower of 5 cubes in Box B,

The tower in Box A has 2 fewer cubes than the tower in Box B.

Question 2.

Box C has ____3_______ more cubes than Box D.

Answer:

Explanation:

Drawn a tower of 14 cubes in Box C and drawn a tower of 11 cubes in Box D,

The tower in Box C has 3 fewer cubes than the tower in Box D.

**Lesson 4 Combining Sets**

**Count and circle.**

Question 1.

Answer:

Explanation:

Counted 3 and 2 we circled 5.

Question 2.

Answer:

Explanation:

Counted 5 and 4 we circled 9.

Question 3.

Answer:

Explanation:

Counted 10 and 4 we circled 14.

Question 4.

Answer:

Explanation:

Counted 9 and 6 we circled 15.

Question 5.

Answer:

Explanation:

Counted 12 and 6 we circled 18.

**Count, circle, and write.**

Question 1.

Answer:

Explanation:

Counted 5 balloons and circled 5 balloons,

If I add 2 more balloons to 5, there will be 7 balloons altogether.

Question 2.

Answer:

Explanation:

Counted 10 balls and circled 10 balls,

If I add 2 more balls to 10 balls, there will be 12 balls altogether.

Question 3.

Answer:

Explanation:

Counted 12 cups and circled 12 cups,

If I add 5 more cups to 12 cups, there will be 17 cups altogether.

**Count and write.**

Question 1.

Answer:

Explanation:

2 and 1 more is 3.

Question 2.

Answer:

Explanation:

4 and 3 more is 7.

Question 3.

Answer:

Explanation:

5 and 2 more is 7.

Question 4.

Answer:

Explanation:

17 and 1 more is 18.

Question 5.

Answer:

Explanation:

10 and 5 more is 15.

Question 6.

Answer:

Explanation:

19 and 0 more is 19.