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First - Number, money and measure
Standard 1.NS.1.9 - Complete the addition sentence by filling in the missing number with sums up to 20.
Expressions and equations • I can compare, describe and show number relationships, using appropriate vocabulary and the symbols for equals, not equal to, less than and greater than. • When a picture or symbol is used to replace a number in a number statement, I can find its value using my knowledge of number facts and explain my thinking to others. • Understands and accurately uses the terms 'equal to', 'not equal to', 'less than', 'greater than', and the related symbols (=, ‰ , <, >) when comparing quantities. • Applies understanding of the equals sign as a balance, and knowledge of number facts, to solve simple algebraic problems where a picture or symbol is used to represent a number, for example, -- + 17 = 30 and -- Ã— 6 = 30.