Ages 6–7🧮 Mathematics10 verified questions on this shelf
Fluent addition and subtraction
Recall and use addition and subtraction facts to 20 fluently, and derive and use related facts up to 100
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Question 1 of 3
Which of the following equations can be obtained by applying the fact that 6 + 4 = 10 to tens?
Question 2 of 3
What is the sum of 60 and 40?
Question 3 of 3
Sam collected 45 seashells on the beach. His friend gives him 5 more seashells. Using what he knows about the fact that 5 + 5 = 10, how many seashells does Sam have now?
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