Arithmetic

2 + 3 = ?

Hint: Count up from the bigger number.

4 + 5 = ?

Hint: Count up from the bigger number.

3 + 3 = ?

Hint: Count up from the bigger number.

6 + 2 = ?

Hint: Count up from the bigger number.

5 + 4 = ?

Hint: Count up from the bigger number.

7 + 8 = ?

Hint: Make a ten, then add what is left.

6 + 7 = ?

Hint: Make a ten, then add what is left.

9 + 4 = ?

Hint: Make a ten, then add what is left.

8 + 5 = ?

Hint: Make a ten, then add what is left.

7 + 6 = ?

Hint: Make a ten, then add what is left.

9 + 8 = ?

Hint: Make a ten, then add what is left.

8 + 8 = ?

Hint: Make a ten, then add what is left.

5 − 2 = ?

Hint: Ask: what plus the second number makes the first?

9 − 4 = ?

Hint: Ask: what plus the second number makes the first?

8 − 3 = ?

Hint: Ask: what plus the second number makes the first?

7 − 5 = ?

Hint: Ask: what plus the second number makes the first?

6 − 4 = ?

Hint: Ask: what plus the second number makes the first?

13 − 5 = ?

Hint: Ask: what plus the second number makes the first?

15 − 7 = ?

Hint: Ask: what plus the second number makes the first?

12 − 8 = ?

Hint: Ask: what plus the second number makes the first?

14 − 6 = ?

Hint: Ask: what plus the second number makes the first?

11 − 9 = ?

Hint: Ask: what plus the second number makes the first?

16 − 9 = ?

Hint: Ask: what plus the second number makes the first?

17 − 8 = ?

Hint: Ask: what plus the second number makes the first?

23 + 45 = ?

Hint: Add ones, then add tens.

34 + 52 = ?

Hint: Add ones, then add tens.

61 + 27 = ?

Hint: Add ones, then add tens.

42 + 36 = ?

Hint: Add ones, then add tens.

27 + 38 = ?

Hint: Add the ones — if you pass 9, carry a ten.

46 + 29 = ?

Hint: Add the ones — if you pass 9, carry a ten.

58 + 37 = ?

Hint: Add the ones — if you pass 9, carry a ten.

65 + 28 = ?

Hint: Add the ones — if you pass 9, carry a ten.

49 + 44 = ?

Hint: Add the ones — if you pass 9, carry a ten.

57 + 36 = ?

Hint: Add the ones — if you pass 9, carry a ten.

38 + 47 = ?

Hint: Add the ones — if you pass 9, carry a ten.

76 + 18 = ?

Hint: Add the ones — if you pass 9, carry a ten.

68 − 25 = ?

Hint: Subtract ones, then subtract tens.

79 − 34 = ?

Hint: Subtract ones, then subtract tens.

86 − 51 = ?

Hint: Subtract ones, then subtract tens.

57 − 23 = ?

Hint: Subtract ones, then subtract tens.

52 − 27 = ?

Hint: If the top ones digit is smaller, borrow a ten.

63 − 48 = ?

Hint: If the top ones digit is smaller, borrow a ten.

81 − 46 = ?

Hint: If the top ones digit is smaller, borrow a ten.

74 − 59 = ?

Hint: If the top ones digit is smaller, borrow a ten.

95 − 38 = ?

Hint: If the top ones digit is smaller, borrow a ten.

42 − 19 = ?

Hint: If the top ones digit is smaller, borrow a ten.

70 − 34 = ?

Hint: If the top ones digit is smaller, borrow a ten.

83 − 47 = ?

Hint: If the top ones digit is smaller, borrow a ten.