Understanding 10 More and 10 Less

If Betsy the cow produced 24 cartons of milk yesterday and 10 more today, how many cartons did she produce today?

• 34

• 44

• 24

• 14

Farmer Joe collected 489 eggs yesterday. If he collected 10 less today, how many eggs did he collect today?

• 479

• 459

• 489

• 469

Alice grew 56 tomatoes last week. Using a hundreds chart, how many tomatoes did she grow this week if she grew 10 more?

• 46

• 66

• 76

• 56