2.12 Missing Number Practice

Which math sentence below could help you solve

 63 + 15 = ?

• 78-15=63

• 78+15=63

• 78+63=15

• 15-63=48

64+18=18+​ (a)  

• 64
• 82
• 18
• 20

Which math sentence below could help you solve

 873 - 412 = ?

• 412+461 = 873

• 461-412=49

• 873+412=1,285

• 412-461=873

Fill in the missing number to complete the fact family:

54+21=75

75-54=__

Fill in the missing numbers to complete the fact family:

53 + 41 =​ (a)  

94 -​ (b)   =​ 41

94 - ​ (c)   = 53

• 94
• 53
• 41
• 78
• 23

Which math sentence below could help you solve 312+218=?

• 530+312=218

• 312-218=94

• 530+312=842

• 530-218=312

Which equation below could help you solve 156+432=?

• 588+432=156

• 432-156=270

• 588-432=156

• 588+156=744

Which expression can be used to help solve this subtraction problem?

84-32=?

• 52+32=84

• 54+54=108

• 84+32=116

• 56+32=88