Extra+Activities

Here are some extra activities you can do:

include page="dragonsinger:HTML_redbox_open" Alison chose a two-digit number, divided it by 2, multiplied the answer by 9, and then reversed the digits. Her answer was the same as her original number! Can you find the number she chose? Explain the steps you took. include page="dragonsinger:HTML_div_close"

include page="dragonsinger:HTML_bluebox_open" Alison then chose another two-digit number, added 1, divided the answer by 2, and then reversed the digits. Again, her answer was the same as her original number! Can you find the number she chose this time? Explain the steps you took. include page="dragonsinger:HTML_div_close"

include page="dragonsinger:HTML_greenbox_open" Charlie chose a two-digit number, subtracted 2, divided the answer by 2, and then reversed the digits. His answer was the same as his original number! What was Charlie's number? Explain the steps you took. include page="dragonsinger:HTML_div_close"