Missing Number
Find the missing number.
6 + ___ = 11
Estimate the sum.
29+38=
50-70
25+13=
38
66-22=
44
10+10=
20
Find the missing number.
12 - ___ = 5
7
Estimate the sum.
44+44=
80-90
67+27=
94
404-148=
256
Estimate.
49+48=
80-100
Find the missing number.
___ - 6 = 9
15
Estimate the sum.
71+36=
100-110
679+108=
787
3601-976=
2625
Find the missing number.
___ - 14 = 11
25
Selena saw 11 bears at the zoo. 7 of them were black bears. The others were grizzly bears. How many grizzly bears did Selena see?
4
Poncho's class is earning money for charity. They earn $46 selling tickets to a movie and $38 at their craft sale.
About how much money did they earn?
70-90
Children collected bottles to recycle. On Monday they brought in 47 bottles. On Tuesday they brought in 39 bottles.
How many bottles were brought in altogether?
86
There were 16 girls in the gym. After the boys arrived, there were 25 children in the gym.
How many boys came into the gym?
9 boys
Find the sum.
6007 - 5879=
128
Angel got a collection of 38 rocks and minerals for this birthday. 17 of them were rocks. How many were minerals?
21
There are thirty-two boys and forty-five girls at the fair.
About how many children are at the fair?
70-90
Two schools went to a park together. One school had 137 students. The other school had 218 students.
How many students were at the park altogether?
355
Tina's family is going camping. The campground is 458 km's away. The first day they drove 238 km's. How many more km's will they need to drive the second day to get to the campground?
220 km
Trudy and Nelly helped Mr. Noftle clean up the classroom. Nelly picked up 243 pieces of garbage. Trudy picked up 206 pieces of garbage.
How many pieces of garbage did Trudy and Nelly pick up altogether?
449