Subtraction
18-6
12
16+4
20
10, 20, 30, ___
40
Find the number that is in the one's place in 583
3
20-10
10
55-20
35
31+20
51
400, 500, 600, ____
700
Find the number in the hundreds place in 729
7
76-32=
44
96-16
80
45+16
61
450, 460, 470, ___
480
What is the value of 4 in 492?
400
45+45
90
Tim had 53 toy cars. Then he lost 23 toy cars. How many does he have left?
30
Kim has 45 cat stickers and she has 34 fish stickers. How many animals does she have altogether?
79
55, 60, 65, ___
70
What is the value of the 9 in 239?
9
34+64=
98
Mark had 72 cupcakes. He sold 21 cupcakes. How many does he have left?
51
What is the of sum of 20 and 30?
50
50, 100, ___
150
My number is 235. I changed the digit in the hundreds place to a 6. My new number is
635
Jan made 18 muffins. She gave away 4 muffins. How many does she have left?
14