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
Number strip (Material Master 5-1)
Activity
Using Materials
Problem: Freddo the frog makes 4 jumps from number 14. Where does Freddo end up? What is 14 + 4?
Record 14 + 4 on the board. The students track 4 jumps directly on number strips to give 18. Record 14 + 4 = 18 on the board.
Examples. Word stories and recording for: 8 + 3, 12 + 4, 19 + 5, 7 + 6, 11 + 5, 12 + 2, 6 + 5....
Using Imaging
Shielding and Imaging Only:
Examples. Word stories and recording for:12 + 3, 19 + 4, 17 + 5, 8 + 5, 21 + 2....
Using Number Properties
Examples. 89 + 4, 93 + 5, 56 + 3, 78 + 4, 51 + 3....
Add to plan
Level One