Big Idea: Students explore numbers in a variety of ways to understand how to compare three-digit numbers based on an understanding of place value.
Favorites (33) Resources (15) Reflections (1)
Big Idea: Students use numbers, base-ten models, and real-word pictures to examine ways to place numbers in their correct place.
Favorites (25) Resources (17) Reflections (1)
Big Idea: Using base-ten materials and place-value skills, students gain a better understanding of how to add and subtract numbers.
Favorites (32) Resources (17) Reflections (1)
Big Idea: Using base ten blocks and place value, students explore how to become more fluent in adding and subtracting two-digit numbers without regrouping.
Favorites (39) Resources (13) Reflections (1)
Big Idea: In this lesson, students will explore how the use of base tens, and place value can be used to help them explain and solve addition word problems.
Favorites (25) Resources (14) Reflections (1)
Big Idea: Students will be able to explain using concrete objects, pictures and words (oral or written) why addition or subtraction strategies work.
Favorites (27) Resources (22) Reflections (3)
Big Idea: In this collaborative lesson students will use "Head, or Tails" to learn how to tally count by fives and add on left over numbers.
Favorites (13) Resources (16) Reflections (1)