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Lesson 2 - Adding 2-Digit Numbers



 1. 

What sum is modelled on the number line?
    mc001-1.jpg
a.
80 + 4
b.
52 + 4
c.
52 + 80
d.
52 + 84
 

 2. 

What is the sum of the numbers from question 1?
a.
84
b.
136
c.
56
d.
132
 

 3. 

What sum is modelled on the number line?
mc003-1.jpg
a.
38 + 90
b.
38 + 96
c.
38 + 6
d.
6 + 90
 

 4. 

What is the sum of the numbers from question 4?
a.
44
b.
128
c.
134
d.
96
 

 5. 

What sum is modelled by this grid?

          
          
          
          
          
          
          
          
          
          
          
          
          
a.
80 + 34
b.
78 + 34
c.
78 + 30
d.
30 + 80
 

 6. 

What is the sum of the numbers from question 5?
a.
108
b.
114
c.
110
d.
112
 

 7. 

What sum is modelled by this grid?

          
          
          
          
          
          
          
          
          
          
          
          
          
a.
66 + 42
b.
66 + 40
c.
60 + 42
d.
60 + 40
 

 8. 

What is the sum of the numbers from question 7?
a.
100
b.
102
c.
108
d.
106
 

 9. 

What sum is modelled by this grid?

          
          
          
          
          
          
          
          
          
          
          
          
          
a.
37 + 70
b.
30 + 70
c.
30 + 75
d.
37 + 75
 

 10. 

What is the sum of the numbers from question 9?
a.
105
b.
112
c.
102
d.
107
 



 
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