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Level One > Number and Algebra

Frog Jumps

Achievement Objectives:

Achievement Objective: NA1-1: Use a range of counting, grouping, and equal-sharing strategies with whole numbers and fractions.
AO elaboration and other teaching resources

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....