Choosing calculation strategies to solve calculations
Choosing calculation strategies to solve calculations
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Lesson details
Key learning points
- In this lesson, we will use various strategies to solve calculations within 20
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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3 Questions
Q1.
Which equations match the part, whole models.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707208030%2Fx4nbgtoqqellh1wwwme8.png&w=828&q=75)
4 + 2 = 4 + 1
Q2.
Are these equations balanced?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707208047%2Fyyutjhp96qzs61yyf4a1.png&w=1920&q=75)
Yes
Q3.
What could the missing numbers be?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707208052%2Fpbqlpkkfowr6n1z3hgns.png&w=1920&q=75)
3 and 2
4 and 4
3 Questions
Q1.
Select the strategy which has solved this sum correctly.
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707208602%2Fvcx9xyf8qofpnaskb1i1.png&w=828&q=75)
![](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707196083%2Flmgibbahgwlvz40opbcv.png&w=384&q=75)
![](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707197278%2Fsyknljrqtdhlgt7kwcdj.png&w=256&q=75)
B
Q2.
Which tens frame is correct for this sum?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707212513%2Fg1yfnxndm7bqdgxajqcb.png&w=828&q=75)
![](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707196101%2Fyorujiehnubre45vldyp.png&w=384&q=75)
A
![](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707197264%2Fo3wnge7qkm4xx7dspq7l.png&w=640&q=75)
Q3.
Which number line solves this sum?
![An image in a quiz](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707212480%2Faqardzc29ymwbe5nppvr.png&w=828&q=75)
![](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707196114%2Fzntuqq8kjzusrdnainxi.png&w=1920&q=75)
![](/_next/image?url=https%3A%2F%2Foaknationalacademy-res.cloudinary.com%2Fimage%2Fupload%2Fv1707199589%2Fwfg48uhx4jtygxpfoels.png&w=1920&q=75)
B