Estimation with Base 10 Blocks Using Visuals Compared to Rounding Estimation compared to Rounding Read 1 of the following excerpts p.47 p.192 p.197 Why estimate? Why round? Ideas from excerpts: Nice Numbers Using a number line Rules of rounding Reasonableness of answer Visual of Base 10 Blocks Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 16 Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 39 Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 42 3 longs + 12 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 44 4 longs + 4 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking longs + 9 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 98 9 longs + 8 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 305 2 flats + 10 longs + 4 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 589 5 flats + 8 longs + 9 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 911 8 flats + 11 longs +1 unit Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 911 8 flats + 10 longs +11 unit Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 911 9 flats + 0 longs +11 unit Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 911 9 flats + 1 longs +11 unit With a partner 1)Each person, make a group of base 10 blocks for your partner to estimate 2)Choose a quantity / number that means something to you 3)Cover the blocks with a paper and show quickly to your partner to estimate quantity 4)Partner estimates quantity 5)Tell them the quantity and decide if it is close and why 6)Describe the meaning of the number to you Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 926 8 flats + 12 longs + 16 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 699 5 flats + 19 longs + 9 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 1,098 1 block + 9 longs + 8 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 1,198 1 block + 1 flat + 9 longs + 8 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 1,975 1 block + 9 flats + 7 longs + 5 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 1,936 1 block + 8 flats + 12 longs + 16 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Think on your own Estimate the quantity Between which 2 numbers Why? Pair share with a friend Share your thinking 5,596 5 blocks + 5 flats +8 longs + 16 units Estimate the quantity Between which 2 numbers would you estimate the quantity? Why? Debrief the Activity Share with a partner the connections you saw with the 4Rs and this activity Four Rs of Culturally Responsive Teaching How will I build relationships with teachers, students, and families? In what ways will I message to ALL students that they are expected to attain high standards? What strategies will I use to make sure students and adults are able to show up as their authentic selves? How will I make sure the curriculum relates to students experiences, interests and backgrounds?