Assess Yourself
How well do you understand the ideas in this lesson?
Goal:
Goal:
Show What You Know!
Assess how well you met your goals.
Are you ready to take this lesson's quiz? These questions will help you find out. Go back to the lesson if you don't know an answer.
What is the sum?
24
16
+
- 12
- 40
- 28
Sorry, this isn’t the correct sum. 24 + 16 = 40.
You’re right! This is the correct sum.
Sorry, this isn’t the correct sum. 24 + 16 = 40.
Which addition sentence is correct?
-
0
65
19
74
+
-
1
65
19
94
+
-
1
65
19
84
+
Sorry, this addition sentence is not correct.
Sorry, this addition sentence is not correct.
Great job! This addition sentence is correct.
What is the missing digit?
28
33
61
+
- 1
- 9
- 4
Very good! This is the correct digit.
Sorry, that’s not correct. 1 is the missing digit.
Sorry, that’s not correct. 1 is the missing digit.
What is the sum?
17
35
+
- 52
- 20
- 48
You’re right! This is the correct sum.
Sorry, this isn’t the correct sum. 17 + 35 = 52.
Sorry, this isn’t the correct sum. 17 + 35 = 52.
Which addition sentence is correct?
-
3
59
14
93
+
-
2
59
14
83
+
-
1
59
14
73
+
Sorry, this addition sentence is not correct.
Sorry, this addition sentence is not correct.
Great job! This addition sentence is correct.
What is the missing digit?
1
16
56
7
+
- 7
- 2
- 3
Sorry, that’s not correct. 2 is the missing digit.
Very good! This is the correct digit.
Sorry, that’s not correct. 2 is the missing digit.
What is the sum?
42
28
+
- 27
- 10
- 70
Sorry, this isn’t the correct sum. 42 + 28 = 70.
Sorry, this isn’t the correct sum. 42 + 28 = 70.
You’re right! This is the correct sum.
Which addition sentence is correct?
-
1
32
49
81
+
-
2
32
49
91
+
-
0
32
49
91
+
Great job! This addition sentence is correct.
Sorry, this addition sentence is not correct.
Sorry, this addition sentence is not correct.
What is the missing digit?
67
16
83
+
- 4
- 1
- 5
Sorry, that’s not correct. 1 is the missing digit.
Very good! This is the correct digit.
Sorry, that’s not correct. 1 is the missing digit.
What is the sum?
54
18
+
- 72
- 88
- 15
You’re right! This is the correct sum.
Sorry, this isn’t the correct sum. 54 + 18 = 72.
Sorry, this isn’t the correct sum. 54 + 18 = 72.
Summary
Questions answered correctly:
Questions answered incorrectly: