Year 3
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Lesson details
Key learning points
- In this lesson, we will answer addition and subtraction word problems which require us to identify the unknown quantity.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
We estimate when answering questions to...
to get the exact answer
to see if it's addition or subtraction
Q2.
Bar models help us to...
get the exact answers
pick nice colours
see a pretty picture
Q3.
We always need to use column addition or subtraction when answering word problems?
True
Q4.
Class B won 456 house-points before Christmas. Class D won 106 more. How many did Class D win? Does this question require addition or subtraction to answer it?
Subtraction
Q5.
Edinburgh castle sold 345 tickets for tours on Monday. On Tuesday it sold 109 less. How many tickets were sold on Tuesday?
109
345
454
5 Questions
Q1.
Word problems are...
Always addition
easy to just guess
Never multiplication
Q2.
Does this bar model show an addition or a subtraction problem?
Addition
Q3.
Tia is looking after the neighbour's dogs. The adult dog eats 450 g more than the puppy. If the adult dog eats 875 g how much will the puppy eat? Does this question need addition or subtraction to answer it?
Addition
Q4.
Which question would this bar model help to answer?
Mo walked up 216 steps but his Gran only made it up 120. How many more steps did Mo walk than his Gran?
Q5.
Before the final rounds of races on sports day, the green team had 372 points. They ended up winning the competition with 518 points altogether. How many more points did they make in the final round?
250
880
890