Solve addition problems to 100 by counting on in their heads.
Number Framework Stage 4
A container
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....