1. EASY

31 \(+\) 7 \(=\)
 
2. EASY

10 \(+\) 12 \(=\)
 
3. EASY

72 \(+\) 3 \(=\)
 
4. MEDIUM

62 \(+\) 24 \(=\)
 
5. MEDIUM

47 \(+\) 12 \(=\)
 
6. MEDIUM

14 \(+\) 84 \(=\)
 
7. MEDIUM

36 \(+\) 44 \(=\)
 
8. HARD

99 \(+\) 22 \(=\)
 
9. HARD

14 \(+\) 87 \(=\)
 
10. HARD

47 \(+\) 39 \(=\)


Resources:


More questions:
Representing Multiplication as Combining of Equal Groups  |   Finding the Right Element for a Particular Position  |   Transformations of Shapes  |   Identify, Describe, and Sort 3D Figures  |   Finding Lines of Symmetry