Addition
100+20
120
15-7
4x6
24
18/3
6
If you multiply me by any number, the answer will always stay the same. What number am I?
0
819+211
1030
42-18
24
9x8
72
50/2
25
I am an odd number. Take away one letter and I become even. What number am I?
7
1034+487
1521
100-37
63
12x7
84
100/5
20
I have four sides, but all my sides are equal and all my angles are right angles. What shape am I?
square
1301+538
1839
476-299
177
23x45
1035
343/2
171 R 1
: I am a two-digit number. My tens digit is double my ones digit, and the sum of my digits is 12. What number am I?
84
1784+2937
4721
Sarah has 1,350 marbles. She gives 485 to her friend. How many marbles does Sarah have left?
865
234x78
18252
2444/12
203 R *
I am a number. If you divide me by 2, the remainder is 1. Divide by 3, remainder is 2. Divide by 4, remainder is 3. What is the smallest positive number I could be?
11