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Five Sweets Per Packet

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Achievement Objectives
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 multiplication problems using skip counting in twos, fives, and tens.

Description of Mathematics

Number Framework Stage 4

Required Resource Materials
A fives abacus (alternatively place value materials in bundles of five).
Activity

Using Materials

Problem: In each packet there are 5 sweets. Jackie has 3 packets. How many sweets does she have?

Discuss why you write 5 + 5 + 5 on the board. Solve this on the fives abacus.

Examples. Word stories and recording for the number of sweets in 4 packets, 6 packets, 2 packets, 7 packets….

Using Imaging

Shielding:
Norman has 3 packets and Lesley has 2 packets of sweets. How many sweets are there altogether?

Hide the fives abacus. Model 3 packets of 5 and ask the students what you are doing.

Write 15 on the board. Add 2 more packets on.

Record 15 + 10 on the board. Ask the students to imagine what you can see. Fold back if needed. Record the answer on the board.

Examples. Recording for 2 packets - 1 packet, 3 packets - 1 packet, 5 packets - 1 packet, 2 packets + 2 packets ,6 packets - 1 packet

Imaging Only: Examples. Without the fives abacus the students imagine and record:

3 packets - 2 packets,  5 packets - 4 packets, 9 packets - 8 packets,  9 packets + 1 packet….

 
 

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Level One