+/- 10
+/- 1
+/- 100
Word problem
What number am I?
100
256 + 10 = ?
266
100
256 - 1 = ?
255
100
256 + 100 = ?
356
100
Maya found 7 seashells on the beach and then found 5 more. How many seashells does she have now?
A) 7-5=x
B) 7+5=x
B) 7+5=x
100
I have a 3 in my one's place. I am larger than 20 but smaller than 30. What number am I?
23
200
231 -10 = ?
221
200
231 - 1 = ?
230
200
231 - 100 = ?
131
200
How many apples are left if there were 12 apples and 4 were eaten?
A) 12-4=x
B) 12+4=x
A) 12-4=x
200
I am an even number. I am 10 more than 24. Who am I?
34
300
781 + 10 = ?
791
300
788 + 1 = ?
789
300
781 + 100 = ?
881
300
A bus had 18 students board at the first stop. At the next stop, 6 more students got on. How many students are on the bus now?
A) 18-6=x
B) 18+6=x
B) 18+6=x
300
I am smaller than 50. I have a 4 in my one's place. I have an odd number in my tens place and I am not a teen. What number am I?
34
400
590 + 10 = ?
600
400
589 + 1 = ?
590
400
156 - 100 = ?
56
400
Sofia had some marbles. After she won 9 more, she had 15 marbles. How many marbles did she have at first?
a) 15-9=x
b) 15+9=x
a) 15-9=x
400
You will say my name if you skip count by 5's. I am larger than 35 but smaller than 45. What number am I?
40
500
109 - 10 = ?
99
500
199 + 1 = ?
200
500
956 + 100= ?
1,056
500
Jacob had 29 Pokémon cards. His friend Becca had 36 Pokémon cards. How many more Pokémon cards does Becca have than Jacob?
A) 36-29=x
B) 36+29=x
A) 36-29=x
500
I am 10 less than 102. I have a 2 in my one's place and an odd number in my tens place. What number am I?
92