Subtracting 1s, 10s, and 100s
3:12
Subtracting 1s, 10s, and 100s
7 months ago
Khan Academy
Subtraction on a Number Board . 👉 Subtracting 10 from any number will change the number of tens but not change the number of ones. 👉 When subtracting two 2-digit numbers the number being subtracted can be broken into place value parts and the tens and the ones subtracted separately (in any order) e.g. 24–12 = 24 –10 –2 (Break Up 1 Number strategy). 👉 When subtracting two 2-digit numbers, the number being subtracted can be changed to a nearby multiple of ten to make the computation easier to m
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Subtraction on a Number Board . 👉 Subtracting 10 from any number w…
532 viewsJul 9, 2023
FacebookLearning Through Doing
Subtraction: Break Up 1 Number (Bags of Ten) . Concept/s in Focus: 👉 Subtraction is separating a total into parts or taking one part away from the total leaving a part (total – part = part) 👉 Subtracting multiples of 10 from any number will change the number of tens but not change the number of ones 👉 When a subtraction computation does not require bridging a ten, breaking the number being taken away into place value parts can make the subtraction more manageable e.g. 39–14 = 30 –10, – 4. (Br
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Subtraction: Break Up 1 Number (Bags of Ten) . Concept/s in Focus…
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