This math powerpoint presentation teaches students place value through 99. This lesson is aligned with the skills covered in 10.5 Houghton Mifflin Math - 1st grade. The lesson opens with a multi-step word problem in which students must a series of steps to solve, and can use manipulatives to check. Next is a review vocabulary page and objectives covered in the lesson. The next several slides gives students cuisenaire rods and individual blocks, in which they must identify the tens and ones, then determine the number. The students are then given an "Explain Your Thinking" prompt. The students are then given problem solving, number sense questions (also found in the math book). The next several slides have more place value problems. The lesson closes with 6 facts subtraction.