Adding Express Adding 2-digit + 2-digit with regrouping Primary Math

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Presentation transcript:

Adding Express Adding 2-digit + 2-digit with regrouping Primary Math CCS: 2.NBT.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction. Additional Information for teacher about activity: This activity is adding two-digit plus two-digit numbers with regrouping by adding the tens first, the ones and then the sums. The cards can be used with a board activity played in groups of 2 or 3 or individually for practice. An activity sheet has been included for this purpose. What’s included: □ Task Card in WORD □ Activity Sheet □ Anchor Chart □ Student Activity Cards for self or partner directed work □ Answer Key for self-checking □ Materials Needed: Blocks for differentiation, Challenge Question Answer Sheets □ Technology Connection: http://www.mathplayground.com/wpdatabase/wpindex.html Copyright © 2013 Innovative Educational Programs. Reproduction rights granted to CHILD Teachers and permitted only for use as instructional material. www.ieponline.com

Copyright © 2013 Innovative Educational Programs Copyright © 2013 Innovative Educational Programs. Reproduction rights granted to CHILD Teachers and permitted only for use as instructional material. www.ieponline.com

Copyright © 2013 Innovative Educational Programs. Adding 2 digit + 2 digit Problem: Benny has 37 baseball cards. His brother has 48 cards. How many do they have altogether? Number sentence: 37 + 48 = ? First add the tens 30 + 40 = 70 Then add the ones 7 + 8 = 15 Finally add the sums 70 + 15 = 85 So, 37 + 48 = 85 Copyright © 2013 Innovative Educational Programs.

1 2 3 4 5 6 7 8 9 Big Band playing Tuesday Night. 39 tickets sold first day. 56 tickets sold second day. How many tickets sold in all? Barney the clown delivers balloons. 27 delivered to Betty 45 delivered to Bobbie How many delivered in total? Henry and his brother got new trucks. Henry’s cost $38. His brother’s cost $46. How much did they cost altogether? 1 2 3 Some friends were winning stuffed animals at the fair. At one booth they got 14. At another booth they got 28. How many altogether? Two sisters made brownies. Bess made 37. Shana made 16. How many brownies in all? Mom bought two bags of candy. One bag had 46 pieces. Second bag had 35 pieces. How much candy in all? 4 5 6 The teacher gave out stickers. 28 the first month. 64 the second month. How many in the two months? Some birds were at the park. 15 blue jays. 26 robins. How many birds were at the park? Sam and Pam liked to save buttons. Sam had 47. Pam had 44. How many do they have in all? 7 8 9

10 11 12 13 14 15 16 17 18 Bert and Jose won prizes at the fair. Bert won 22. Jose won 19. How many did they win in all? Joe and Tanya collect bottle caps. Joe has 39. Tanya has 43. How many do they have in all? Mrs. Smith was giving out pencils to her students. Monday she gave out 53. Tuesday she gave out 29. How many did she give out in all? 10 11 12 Brad and his dad went apple picking. Brad picked 35. Dad picked 66. How many did they pick in all? Angel and Juan were bouncing a basketball. Angel bounced 35 times. Juan bounced 28 times. How many bounces altogether? The teacher had two boxes of blocks. One had 25 blocks. The other had 39 blocks. How many altogether? 13 14 15 Two classes went to the gym. One class had 26 students. The other had 28 students. How many students were in the gym? Two girls were jumping rope. The first jumped 27 times. The second jumped 49 times. How many times did they jump altogether? Two boys were running up stairs. The first ran up 38 steps. The second ran up 34 steps. How many steps did they run up in all? 16 17 18

Copyright © 2013 Innovative Educational Programs. Answer Key for Adding Express Number Answer 1 95 2 72 3 84 4 42 5 53 6 81 7 92 8 41 9 91 Number Answer 10 41 11 82 12 82 13 101 14 63 15 64 16 54 17 76 18 72 Copyright © 2013 Innovative Educational Programs.

Copyright © 2013 Innovative Educational Programs. Worksheet for Addition Express Name ______________________ Date _______________ Card No. ____ Copyright © 2013 Innovative Educational Programs.

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