G3_S1_Final Review_Find the number

Which number will make the number sentence 50 + x ＞60 true?

• x=8

• x=9

• x=10

• x=11

Which number will make the number sentence n-5+6＜7 false?

• n=1

• n=4

• n=5

• n=6

What is the largest number that could make the number sentence 100-y＞50 true?

• y=0

• y=49

• y=50

• y=100

What is the smallest number that could make the number sentence 99－19+a＞99 true?

• a=0

• a=19

• a=20

• a=21

What is the largest number that could make the number sentence 100×4-300＞n true?

• n=300

• n=100

• n=99

• n=101

What is the smallest number that could make the number sentence 25×2+20＜n true?

• n=69

• n=70

• n=71

• n=100

What is the second smallest number that could make the number sentence 19-y＜15 true?

(a)  

Find all the numbers that could make the number sentence 321+y＜400 true ?

• 78

• 0

• 79

• 80

• 50