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4 Subtraction

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Learning Objectives
Learning Objectives
After studying this chapter, students will be able to...
( know that subtraction means taking away ( do subtraction by counting backwards
( subtract on a number line ( subtract numbers vertically
( understand subtraction facts ( solve real-life problems using subtraction
( explore the addition-subtraction relationship

Holistic Skills
get ready! Cross-Curricular Learning

Water helps in digestion of
food. It is recommended that
one should drink 8 to 10
Mom, why is glasses of water in a day.
water essential
in our diet?

Reyan drinks 2 glasses of water before having breakfast. How many more glasses
of water should he drink during the day if he intends to have 10 glasses of water
in a day? ..........................

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