Find the Missing Number
19=n+10
n=9
2+22 = 10+n
14
46+21=n
n=67
61 - 34 = n
n=27
Marsha picked 43 roses to make a bouquet. Helen picked 55 roses to make a bouquet. How many more roses did Helen pick than Marsha?
n=12
n+27=40
13
n+30 = 15+40
n=25
38+52=n
n=90
55-17=n
n=38
Ernie, Michael, and Jim went to the store. Together, they bought 50 granola bars. Jim bought 24 granola bars. Ernie bought 17 granola bars. How many granola bars did Michael buy?
n=9
n-15=8
n=23
14+26 = 19+n
n=21
26+51=n
n=77
89-66=n
n=23
Andrew loves to read. On Monday he read for 20 minutes. On Wednesday he read for 30 minutes. On Friday he read for 25 minutes. How many minutes did Andrew read in total?
75 minutes.
45-n=17
n=28
28-n = 12-10
n=26
Hailey has 32 markers. Jenna gives her 15 more. Then, Nico borrows gives her 10 more. How many markers does Hailey have now?
57 markers.
Kate bought a pack of 50 colored pencils at the store. She brought them out to recess and lost 14. How many colored pencils does she have now?
n=36
Julia has 13 shirts, 12 pairs of pants, 10 sweaters, and 16 shoes. How many items does Julia have in her closet?
51 items in her closet.
100=36+15+n
n= 49
n-78 = 50 + 50
n=178
For his birthday, Alex gets a pack of 40 baseball cards. His friend Nick gives him 23 more. Then, his friend Zach gives him 36 more. How many baseball cards does Alex have now?
99 baseball cards.
Derek baked 36 cookies. 10 were chocolate chip, 16 were peanut butter, and the rest were sugar cookies. How many sugar cookies did Derek bake?
n= 10 sugar cookies
Isaiah is feeling sick! He used 24 tissues in the morning before school. He used 30 tissues before lunch. he used 25 tissues after lunch. When he got home from school, he used 48 more tissues. How many tissues did Isaiah use in all?
127 tissues in all.