Math 1A Workbook Exercise 35-39 Singapore Part 11
1A Workbook Exercise 35-39
Exercise 35
1.
Match (count and match).
2.
Write the numbers (count and write).
3. Circle a set of 10 fish and then write the number.
Solution:
Click here to view the solution.
Exercise 36
1.
Write the numbers and then match.
Solution:
Click here to view the solution.
2.
Write the numbers.
| Sixteen |  | 
| Thirteen |  | 
| Eleven |  | 
| Twelve |  | 
| Twenty |  | 
| Seventeen |  | 
| Fourteen |  | 
| Nineteen |  | 
| Eighteen |  | 
| Fifteen |  | 
Solution:
| Sixteen | 16 | 
| Thirteen | 13 | 
| Eleven | 11 | 
| Twelve | 12 | 
| Twenty | 20 | 
| Seventeen | 17 | 
| Fourteen | 14 | 
| Nineteen | 19 | 
| Eighteen | 18 | 
| Fifteen | 15 | 
Exercise 37
1.
Fill in the missing numbers.
(a) 10
and 6 make ___.
(b) 10
and 2 make ___.
(c) 10
and 9 make ___.
(d) 10
and 5 make ___.
Solution:
(a) 16
(b) 12
(c) 19
(d) 15
2.
Complete the number sentences.
(a) 10 +
4 =
(b) 10 +
8 =
(c) 10 +
3 =
(d) 10 +
7 =
Solution:
(a) 10 + 4 = 14.
(b) 10 + 8 = 18.
(c) 10 + 3 = 13.
(d) 10 + 7 = 17.
Exercise 38
1.
Join the dots in order from 1 to 20 (one to twenty).
Solution: (follow
the below picture for the solution)
| (a) | 7 |  | 9 | 10 | 
| (b) | 9 | 10 |  | 12 | 
| (c) | 15 |  | 13 | 12 | 
| (d) | 17 |  | 19 | 20 | 
Solution:
| (a) | 7 | 8 | 9 | 10 | 
| (b) | 9 | 10 | 11 | 12 | 
| (c) | 15 | 14 | 13 | 12 | 
| (d) | 17 | 18 | 19 | 20 | 
Exercise 39
1.
Color the greater number (We have used color instead of circle).
(a) 6  8
(b)
9  5
(c)
4  3
(d)
14  12
(e)
17  19
(f)
13  15
Solution:
(a) 6  8
(b) 9  5
(c) 4  3
(d) 14  12
(e) 17  19
(f) 13  15
2.
Color the smaller number (We have used color instead of circle).
(a) 10  9
(b)
5  7
(c)
6  2
(d)
9  12
(e)
11  8
(f)
20  18
Solution:
(a) 10  9
(b) 5  7
(c) 6  2
(d) 9  12
(e) 11  8
(f) 20  18
3.
Color the greatest number (We have used color instead of circle).
(a) 4-7-5-6-3
(b) 15-18-17-14-16-12
Solution:
(a) 4-7-5-6-3
(b) 15-18-17-14-16-12
4. Color
the smallest number (We have used color instead of circle).
(a)
6  10 
8  7  9
(b)
16  14 
19  20  18
(c)
14  18 
16  12  9  10
Solution:
(a) 6  10 
8  7  9
(b) 16  14  19 
20  18
(c) 14  18  16  12  9  10
5.
Write the numbers in order. Begin with the given number.
(a) 5, 4, 2, 8, 7, 3, 6 (Given number: 2)
(b) 16, 13, 20, 17, 14, 18, 15, 19 (Given number 20)
Solution:
(a) 2, 3, 4, 5, 6, 7, 8 (, is just for separator)
(b) 20; 19; 18; 17; 16; 15; 14; 13 (; is just for separator) 
6.
Arrange these numbers in order.
(a) Begin
with the smallest number.
13  20  15 
12  10
Solution:
10  12  13 
15  20
(b)
Begin with the greatest number.
9  18  15 
11  14
Solution:
18  15  14 
11  9
