Missing Addends
5+w=12
7
17+7
24
Write 275 in expanded form.
200+70+5
100+200+300
600
$53-$29
$24
11-h=3
8
$42-$24
$18
Use the numbers 22, 33, and 55 to write two addition facts and two subtraction facts.
22+33=55
33+22=55
55-22=33
55-33=22
175+202
377
$60-$27
$33
c-7=2
9
$53-$29
$24
Twenty-four children visited the school science fair. The remainder of the visitors were adults. There were seventy-five visitors in all. How many visitors were adults.
51 adults
$243+$578
$821
$456-$120
$336
23-p=12
11
28+47+65
140
Hiroshi had four hundred seventeen marbles. Harry had two hundred twenty-two marbles. How many marbles did Hiroshi and Harry have in total?
417+222=639 marbles
186+285
471
307-219
88
m-22=16
38
47+29+46+95
217
The ones digit is 5. The number is greater than 640 and less than 650. What is the number?
645
$243+$578
$821
1,703-907
796