Q1: Add by looking for tens:
1) 43 + 7 = 2) 32 + 8 = 3) 56 + 14 =
4) 31 + 29 = 5) 56 + 4 = 6) 77 + 53 =
Q2. Add by looking for numbers totaling 10:
1) 3 + 8 + 6 + 2 = 2) 1 + 5 + 7 + 5 + 3 =
3) 33 + 54 + 16 = 4) 23 + 22 + 17 =
5) 23 + 24 + 25 + 26 =
Q3. Add by looking for numbers totaling 10:
1) 3 + 8 + 4 + 3 = 2) 3 + 4 + 5 + 1 + 2 =
3) 22 + 14 + 7 + 14 = 4) 1 + 34 + 22 + 7 =
5) 16 + 17 + 21 + 5 + 12 =
Q4. Add by looking for 10s in each column:
1)
4 2
4 6
2 8
+ 3 2
————
2)
6 7 8
3 1 6
8 9 2
1 2 7
+ 3 2 3
————
3)
4 3 2 1
5 8 5 7
7 5 0 8
+ 4 4 7 1
————
Q5. Add using addition and subtraction:
1) 66 + 9 = 2) 54 + 19 = 3) 83 + 39 =
4) 33 + 69 = 5) 79 + 83 = 6) 234 + 99 =
7) 234 + 999 = 8) 75 + 109 =
Q6. Add using addition and subtraction:
1) 65 + 28 = 2) 56 + 27 = 3) 58 + 57 =
4) 717 + 197 = 5) 295 + 4567 =
