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Uses simple text and colorful illustrations of animals at a lake to introduce basic addition and subtraction concepts.

As Max and Sara explore the farm, they discover doubles in all sorts of places.

Uses real-life examples to introduce children to addition, explaining how number groups can be joined to form a new group, the parts of an addition number sentence, the addition of single and double-digit numbers, and other topics.

The toes of children playing on a warm beach introduce numbers by tens.

Reinforces classroom learning of important addition and subtraction skills including adding and subtracting two and three digit numbers, time, decimals, money, and estimating.

Presents an introduction to counting by tens, in simple text with illustrations, as Finn counts the petals of the flowers in a vase.

Illustrations and simple text teach basic counting and addition.

Explores the importance of addition and subtraction in everyday life, joining students as they encounter the base ten number system, large multi-digit numbers, place values, estimation, and other problems and strategies.

Presents an introduction to counting by tens, as a group of one hundred ants invade a family picnic taking away all the food.

Photographs and simple text introduce children to simple addition and counting on skills.

Introduces the concept that objects can be grouped in different ways to equal ten.

Presents a counting book for early readers that teaches children how to count by tens.

Photographs and text introduce children the basic mathematical concept of addition, examining different kinds of trash and what happens after it gets picked up.

Describes a typical visit to the dentists, discusses good dental hygiene, and includes addition exercises.

Counting Birds.