standard_description: Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
problem_activity: Problem 1
Arthur needs to sew 8 buttons onto his jacket. For each button, he’ll need
$$5\over 12$$
feet of thread. What is the total amount of thread, in inches, Arthur needs to sew on all 8 buttons?
Problem 2
A chef makes 37 servings of soup. Each serving is
$$2\frac {1}{4}$$
cups. How much soup, in cups, did the chef make in total?


aligns: no