Go through the Math in Focus Grade 1 Workbook Answer Key Chapter 16 Practice 1 Counting to 100 to finish your assignments.
Math in Focus Grade 1 Chapter 16 Practice 1 Answer Key Counting to 100
Count in tens and ones.
Fill in the blanks.
Example
Question 1.
Answer:
10,20,30,40,50,51,52.
Explanation:
In the above image, we can see that there are 5 tens and 2 ones which is 52.
Question 2.
Answer:
10,20,30,40,50,60,61,62,63.
Explanation:
In the above image, we can see that there are 6 tens and 3 ones which is 63.
Question 3.
Answer:
10,20,30,40,50,60,70,80,81,82,83,84.
Explanation:
In the above image, we can see that there are 8 tens and 4 ones which is 84.
Write the number.
Question 4.
forty-nine _____
Answer:
forty-nine – 45.
Explanation:
Given that forty-nine, so in numbers, it will be 45.
Question 5.
sixty-eight _____
Answer:
sixty-eight – 68.
Explanation:
Given that sixty-eight, so in numbers, it will be 68.
Question 6.
ninety-five _____
Answer:
ninety-five – 95.
Explanation:
Given that ninety-five, so in numbers, it will be 95.
Question 7.
eighty-seven _____
Answer:
eighty-seven – 87.
Explanation:
Given that eighty-seven, so in numbers, it will be 87.
Question 8.
fifty-six _____
Answer:
fifty-six – 56.
Explanation:
Given that fifty-six, so in numbers, it will be 56.
Question 9.
seventy-three _____
Answer:
seventy-three – 73.
Explanation:
Given that seventy-three, so in numbers, it will be 73.
Question 10.
ninety-two _____
Answer:
ninety-two – 92.
Explanation:
Given that ninety-two, so in numbers, it will be 92.
Match the number to the words.
Question 11.
Answer:
Find the missing numbers.
Question 12.
60 and 4 make _____
Answer:
60 and 4 make 64.
Explanation:
Given that 60 and 4 make 64.
Question 13.
5 and 70 make _____
Answer:
5 and 70 make 75.
Explanation:
Given that 5 and 70 make 75.
Question 14.
50 and ____ make 53.
Answer:
50 and 3 make 53.
Explanation:
Here, 53 makes 50 and 3.
Question 15.
____ and 4 make 84.
Answer:
80 and 4 make 84.
Explanation:
Here, 84 makes 80 and 4.
Question 16.
40 + 5 = ____
Answer:
40 + 5 = 45.
Explanation:
Given that 40+5 makes 45.
Question 17.
___ + 80 = 88
Answer:
8 + 80 = 88.
Explanation:
Here, 88 makes 8 + 80.
Circle a group of 10. Estimate how many there are. Then count.
Question 18.
Answer:
The actual count is 50 and the estimated is 55.
Explanation:
In the image, we can see 5 groups with 10 half-moons. So the estimation will be 55 and the count is 50.
Question 19.
Answer:
The actual count is 41 and the estimated is 41.
Explanation:
In the image, we can see 4 groups with 10 stars. So the estimation will be 40 and the count is 41.
