McDonnell, Rory

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Word problems with wolves

2018
"Combines a high-interest topic, wolves, with accessible word problems that will motivate young mathematicians to tackle each problem."--Publisher.

Odd and even with otters

2018
"Finding out about otters while also learning about odd and even numbers makes math seem like play ... Readers will be motivated to count the otters in the colorful photographs and figure out if the sums are odd or even."--Publisher.

Estimating with elephants

2018
"Introduces estimation using . . . facts about elephants. Readers will learn about the different species and their . . . sizes, while completing estimation exercises with the help of . . . photographs"--Publisher.

Matem?aticas con el tiempo =

Math with weather
2017
Text and illustrations explore math concepts that can be seen when observing the weather.

Matem?aticas con ruedas =

Math with wheels
2017
"[Illustrating the fact that math is everywhere,] the narrator looks for wheels in a ride around town, adding them as he goes and encouraging readers to do the same. He encounters friends on bikes with training wheels, a unicycle, and even a policeman on a motorcycle"--Provided by publisher.

Matem?aticas con juguets =

Math with toys
2017
Text and illustrations explore math concepts that can be found in toys.

Math with weather

2017
This valuable volume is a perfect addition to any elementary science and math collection.
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