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Puzzles and Problems
Objectives
To count in steps of 2s, 3s and 5s.
Resources
Abacus Workbook 1 | ‘Skittles’ - small plastic water/pop bottles labelled 1, 2, 3, 4, 5 and 6 each containing 1-6 egg cups of sand, respectively, so bottle 6 will be the heaviest | A ball capable of knocking the weighted skittles down | 📄 Roll a penny grids | 📄 100 square
Vocabulary
add | addition | total | amount
Today's Lesson
What to Get Ready
Prepare the skittles by labelling 6 empty plastic bottles 1 – 6, and putting in 1 egg cup of sand into bottle 1, 2 egg cups of sand into bottle 2, 3 into bottle 3, and so on. The sand will act as weights. Your student could easily help you to do this!
Introduction
Keep this part of the lesson short so that your student can have plenty of time to play the games.
Introduce Skittles and 📄 Roll a Penny, modelling these games (instructions are in Main Activity).
Talk through the addition strategies for Skittles, e.g. reordering, using number bonds to add the numbers on the skittles, using number facts and bridging 10 to add the score to the running total.
Remind your student of the strategies for adding 2-digit numbers when playing 📄 Roll a Penny, i.e. counting on in 10s and 1s, or partitioning into 10s and 1s.
Main Activity
Organise for your student to play the following with friends/peers.
Place the 6 ‘skittles’ in a 3, 2, 1 formation on plenty of floor or outdoor space.
Take it in turns to roll a ball toward the skittles. The player adds the numbers on the skittles knocked down (if any!) and writes this under their name on a sheet of paper.
Repeat, but now the player has to add their score to the previous score, each player building up a running total. Have 📄 100 square available for your student to support addition as necessary.
The first player to pass 100 wins.
Repeat as many times as you like!
Players should take it in turns to roll pennies onto the grid.
Sheet 1 is a little easier than Sheet 2.
- They collect that ‘prize’ in coins.
- Repeat, adding coins to their previous amount and recording the new total.
- The first player to accumulate £1 or more wins.
Extra Challenge
Use Sheet 2 from 📄 Roll a Penny if your student needs to work with multiples of 1, which are harder to add to.
Workbook
To help your student recap upon previous learning from this course, please ask them to complete the activities on page 58 of Abacus Workbook 1.