Addition and Subtraction Combined — Grades 2-3 — Dynamic Practice

Addition and Subtraction Combined — Grades 2-3 — Dynamic Practice. Practice questions to deepen understanding of combined addition and subtraction for grade 2-3 students. Online math practice with full solutions and step-by-step explanations.

Mixed addition and subtraction practice at progressive difficulty levels. New questions every attempt.

40 questions

Question 1
2.50 pts
🎲 Calculate:

6 + 2 = ?
Explanation:
🎉 Solution - Addition

6 + 2 = ?
🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢
= 8 ✓
💡 Tip: Adding = counting forward!
Question 2
2.50 pts
🎲 Calculate:

7 − 5 = ?
Explanation:
🎉 Solution - Subtraction

7 − 5 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵
= 2 ✓
💡 Tip: Subtracting = counting backward!
Question 3
2.50 pts
🎲 Calculate:

5 − 2 = ?
Explanation:
🎉 Solution - Subtraction

5 − 2 = ?
Starting: 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌
Remaining: 🔵 🔵 🔵
= 3 ✓
💡 Tip: Subtracting = counting backward!
Question 4
2.50 pts
🎲 Calculate:

1 + 8 = ?
Explanation:
🎉 Solution - Addition

1 + 8 = ?
🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢
= 9 ✓
💡 Tip: Adding = counting forward!
Question 5
2.50 pts
🎲 Calculate:

3 + 2 = ?
Explanation:
🎉 Solution - Addition

3 + 2 = ?
🔵 🔵 🔵
+ 🟢 🟢
= 5 ✓
💡 Tip: Adding = counting forward!
Question 6
2.50 pts
🎲 Calculate:

10 − 4 = ?
Explanation:
🎉 Solution - Subtraction

10 − 4 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵
= 6 ✓
💡 Tip: Subtracting = counting backward!
Question 7
2.50 pts
🎲 Calculate:

5 − 4 = ?
Explanation:
🎉 Solution - Subtraction

5 − 4 = ?
Starting: 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌
Remaining: 🔵
= 1 ✓
💡 Tip: Subtracting = counting backward!
Question 8
2.50 pts
🎲 Calculate:

7 − 1 = ?
Explanation:
🎉 Solution - Subtraction

7 − 1 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵
= 6 ✓
💡 Tip: Subtracting = counting backward!
Question 9
2.50 pts
🎲 Calculate:

5 + 1 = ?
Explanation:
🎉 Solution - Addition

5 + 1 = ?
🔵 🔵 🔵 🔵 🔵
+ 🟢
= 6 ✓
💡 Tip: Adding = counting forward!
Question 10
2.50 pts
🎲 Calculate:

8 − 2 = ?
Explanation:
🎉 Solution - Subtraction

8 − 2 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵
= 6 ✓
💡 Tip: Subtracting = counting backward!
Question 11
2.50 pts
🎲 Calculate:

10 − 9 = ?
Explanation:
🎉 Solution - Subtraction

10 − 9 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵
= 1 ✓
💡 Tip: Subtracting = counting backward!
Question 12
2.50 pts
🎲 Calculate:

10 − 5 = ?
Explanation:
🎉 Solution - Subtraction

10 − 5 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵
= 5 ✓
💡 Tip: Subtracting = counting backward!
Question 13
2.50 pts
🎲 Calculate:

5 + 3 = ?
Explanation:
🎉 Solution - Addition

5 + 3 = ?
🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢
= 8 ✓
💡 Tip: Adding = counting forward!
Question 14
2.50 pts
🎲 Calculate:

16 − 15 = ?
Explanation:
🎉 Solution - Subtraction

16 − 15 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵
= 1 ✓
💡 Tip: Subtracting = counting backward!
Question 15
2.50 pts
🎲 Calculate:

14 + 6 = ?
Explanation:
🎉 Solution - Addition

14 + 6 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢
= 20 ✓
💡 Tip: Adding = counting forward!
Question 16
2.50 pts
🎲 Calculate:

19 − 7 = ?
Explanation:
🎉 Solution - Subtraction

19 − 7 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 12 ✓
💡 Tip: Subtracting = counting backward!
Question 17
2.50 pts
🎲 Calculate:

11 − 6 = ?
Explanation:
🎉 Solution - Subtraction

11 − 6 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵
= 5 ✓
💡 Tip: Subtracting = counting backward!
Question 18
2.50 pts
🎲 Calculate:

8 + 11 = ?
Explanation:
🎉 Solution - Addition

8 + 11 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢
= 19 ✓
💡 Tip: Adding = counting forward!
Question 19
2.50 pts
🎲 Calculate:

11 + 6 = ?
Explanation:
🎉 Solution - Addition

11 + 6 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢
= 17 ✓
💡 Tip: Adding = counting forward!
Question 20
2.50 pts
🎲 Calculate:

14 − 8 = ?
Explanation:
🎉 Solution - Subtraction

14 − 8 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵
= 6 ✓
💡 Tip: Subtracting = counting backward!
Question 21
2.50 pts
🎲 Calculate:

15 − 5 = ?
Explanation:
🎉 Solution - Subtraction

15 − 5 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 10 ✓
💡 Tip: Subtracting = counting backward!
Question 22
2.50 pts
🎲 Calculate:

12 − 9 = ?
Explanation:
🎉 Solution - Subtraction

12 − 9 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵
= 3 ✓
💡 Tip: Subtracting = counting backward!
Question 23
2.50 pts
🎲 Calculate:

19 − 9 = ?
Explanation:
🎉 Solution - Subtraction

19 − 9 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 10 ✓
💡 Tip: Subtracting = counting backward!
Question 24
2.50 pts
🎲 Calculate:

17 − 4 = ?
Explanation:
🎉 Solution - Subtraction

17 − 4 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 13 ✓
💡 Tip: Subtracting = counting backward!
Question 25
2.50 pts
🎲 Calculate:

11 − 7 = ?
Explanation:
🎉 Solution - Subtraction

11 − 7 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵
= 4 ✓
💡 Tip: Subtracting = counting backward!
Question 26
2.50 pts
🎲 Calculate:

18 − 17 = ?
Explanation:
🎉 Solution - Subtraction

18 − 17 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵
= 1 ✓
💡 Tip: Subtracting = counting backward!
Question 27
2.50 pts
🎲 Calculate:

19 − 8 = ?
Explanation:
🎉 Solution - Subtraction

19 − 8 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 11 ✓
💡 Tip: Subtracting = counting backward!
Question 28
2.50 pts
🎲 Calculate:

65 − 51 = ?
Explanation:
🎉 Solution - Subtraction

65 − 51 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 14 ✓
💡 Tip: Subtracting = counting backward!
Question 29
2.50 pts
🎲 Calculate:

45 + 37 = ?
Explanation:
🎉 Solution - Addition

45 + 37 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢
= 82 ✓
💡 Tip: Adding = counting forward!
Question 30
2.50 pts
🎲 Calculate:

60 − 31 = ?
Explanation:
🎉 Solution - Subtraction

60 − 31 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 29 ✓
💡 Tip: Subtracting = counting backward!
Question 31
2.50 pts
🎲 Calculate:

42 + 23 = ?
Explanation:
🎉 Solution - Addition

42 + 23 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢
= 65 ✓
💡 Tip: Adding = counting forward!
Question 32
2.50 pts
🎲 Calculate:

86 − 53 = ?
Explanation:
🎉 Solution - Subtraction

86 − 53 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 33 ✓
💡 Tip: Subtracting = counting backward!
Question 33
2.50 pts
🎲 Calculate:

48 + 26 = ?
Explanation:
🎉 Solution - Addition

48 + 26 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢
= 74 ✓
💡 Tip: Adding = counting forward!
Question 34
2.50 pts
🎲 Calculate:

58 + 42 = ?
Explanation:
🎉 Solution - Addition

58 + 42 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢
= 100 ✓
💡 Tip: Adding = counting forward!
Question 35
2.50 pts
🎲 Calculate:

64 − 52 = ?
Explanation:
🎉 Solution - Subtraction

64 − 52 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 12 ✓
💡 Tip: Subtracting = counting backward!
Question 36
2.50 pts
🎲 Calculate:

45 + 38 = ?
Explanation:
🎉 Solution - Addition

45 + 38 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢
= 83 ✓
💡 Tip: Adding = counting forward!
Question 37
2.50 pts
🎲 Calculate:

95 − 51 = ?
Explanation:
🎉 Solution - Subtraction

95 − 51 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 44 ✓
💡 Tip: Subtracting = counting backward!
Question 38
2.50 pts
🎲 Calculate:

77 − 52 = ?
Explanation:
🎉 Solution - Subtraction

77 − 52 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 25 ✓
💡 Tip: Subtracting = counting backward!
Question 39
2.50 pts
🎲 Calculate:

86 − 30 = ?
Explanation:
🎉 Solution - Subtraction

86 − 30 = ?
Starting: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
Subtracting: ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌ ❌
Remaining: 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
= 56 ✓
💡 Tip: Subtracting = counting backward!
Question 40
2.50 pts
🎲 Calculate:

56 + 21 = ?
Explanation:
🎉 Solution - Addition

56 + 21 = ?
🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵 🔵
+ 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢 🟢
= 77 ✓
💡 Tip: Adding = counting forward!