10 more/10 less
20+10=
30
100+100=
200
156+121
277
398-242=
156
Phu buys 65 pieces of candy. He ate 23 pieces. How many pieces does he have left?
He has 42 pieces of candy left.
43-10=
33
435-100=
335
475+213=
688
____=278+598
876
Natalie went to the zoo. She saw 15 zebras. She saw 28 more monkeys than zebras. How many monkeys did she see?
She saw 43 monkeys.
156+10=
166
593+100=
693
345+555=
900
254= 600-____
346
Riley reads 26 pages before lunch.
She reads 48 more after lunch than before lunch.
How many pages does Riley Read after lunch?