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Before and After - SAP Education · Before and After 1 Kay had 7 marbles. After she gave Lee 1...

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Adapted: Learning + Powerful Maths Methods to Solve Challenging Problem Sums 1 & 2 © Singapore Asia Publishers Pte Ltd. All rights reserved. Reproducible for home/classroom use only. STRICTLY NOT FOR SALE. Look for other useful resources: www.sapgrp.com 1 Kaden had 6 marbles. After John gave Kaden 8 marbles, Amy realised that she had twice as many marbles as Kaden. How many marbles did Amy have? Solution: Kaden (in the end) → 6 + 8 = 14 Amy → 2 × 14 = 28 Amy had 28 marbles. Example Before and After 1 Kay had 7 marbles. After she gave Lee 1 marble, Joe realised that he had twice as many marbles as Kay. How many marbles did Joe have? Joe had marbles.
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Page 1: Before and After - SAP Education · Before and After 1 Kay had 7 marbles. After she gave Lee 1 marble, Joe realised that he had twice as many marbles as Kay. How many marbles did

Adapted:Learning+

Powerful Maths Methods to Solve Challenging Problem Sums 1 & 2© Singapore Asia Publishers Pte Ltd. All rights reserved.Reproducible for home/classroom use only.STRICTLY NOT FOR SALE.Look for other useful resources: www.sapgrp.com

1

Kaden had 6 marbles. After John gave Kaden 8 marbles, Amy realised that she had twice as many marbles as Kaden. How many marbles did Amy have?

Solution: Kaden(intheend)→6+8=14 Amy→2×14=28

Amy had 28 marbles.

Example

Before and After

1 Kayhad7marbles.AftershegaveLee1marble,Joerealisedthathehadtwice as many marbles as Kay. How many marbles did Joe have?

Joe had marbles.

EL_Before and After.indd 1 2019/6/26 11:16:20

Page 2: Before and After - SAP Education · Before and After 1 Kay had 7 marbles. After she gave Lee 1 marble, Joe realised that he had twice as many marbles as Kay. How many marbles did

Adapted:Learning+

Powerful Maths Methods to Solve Challenging Problem Sums 1 & 2© Singapore Asia Publishers Pte Ltd. All rights reserved.Reproducible for home/classroom use only.STRICTLY NOT FOR SALE.Look for other useful resources: www.sapgrp.com

2

Solutions:1Kay(intheend)→7–1=6Joe→2×6=12 Joe had 12 marbles.

2Scott(intheend)→17–3=14Matt→14÷2=7 Matt had 7 stickers.

Learn more maths methods from this book!

Primary 1&2

to Solve Problem SumsChallengingChallenging

Introduces extensive methods, concepts, thinking skills and heuristics essential for solving problem sumsTeacher’s comments to guide thinking processNon-routine questions to invoke out-of-the-box thinkingAdditional digital resources to complete learning experienceSolutions to develop the critical thinking process

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Additional activities and exercises

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SCAN ME to see a sample!

2 Scotthad17stickers.AftergivingJulie3stickers,ScotthadtwiceasmanystickersasMatt.HowmanystickersdidMatthave?

Matt had stickers.

EL_Before and After.indd 2 2019/6/27 18:10:19


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