Adding Subtracting Mentally

Add using mental math:

72+16

• 88

• 54

• 64

Add using mental math:

84 + 12

• 96

• 72

• 76

Add using mental math:

90 + 10

• 100

• 80

• 50

Subtract using mental math:

45 -24

• 21

• 30

• 25

Subtract using mental math:

62 - 20

• 42

• 22

• 82

Subtract using mental math:

96 - 45

• 51

• 24

• 58

Subtract using mental math:

66 - 20

• 46

• 22

• 44

Add using mental math:

51 + 48

• 99

• 91

• 98

Subtract using mental math:

75 - 25

• 50

• 25

• 75

567 - 243

• 700

• 810

• 724

• 324