The Bears' Picnic

Achievement Objectives
NA1-1: Use a range of counting, grouping, and equal-sharing strategies with whole numbers and fractions.
Specific Learning Outcomes

Solve addition problems to 100 by counting on in their heads.

Description of Mathematics

Number Framework Stage 4

Required Resource Materials
Set of bears (or counters) for counting.

A container

Activity

Using Materials

Problem: 8 bears return from a picnic and go into their cave. Bobby Bear and Bernice  Bear arrive late to join the family. How many bears are there now in the cave?

Discuss the problem then write 8 + 2 on the board. Hide 8 bears in the container and  add Bobby Bear, then ask how many bears are now in the cave. Ask what 8 + 1  equals. Add Bernice Bear then ask how many bears are now in the cave. Ask what 8 +   2 equals. Write 8 + 2 = 10 on the board.

Examples. (Encourage the students to use fingers to track the counting on.) Wordstories and recording for: 12 + 2, 7 + 2, 13 + 2, 7 + 3, 11 + 3, 14 + 3, 7 + 4, 11 + 4....

Using Imaging

Shielding and Imaging Only:
Examples. Word stories and recording for:11 + 2, 9 + 3, 12 + 4, 14 + 5, 7 + 4, 12 + 5....

Using Number Properties

Examples. Word stories and recording for: 39 + 4, 66 + 4, 33 + 5, 28 + 3, 87 + 5....

 

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