Dec. 10-14th Optional homework Lesson 1: Adding and Subtracting 2-Digit Numbers 1. Add. a) 52 + 16 b) 63 + 11 c) 48 + 25 d) 37 + 49 2. Subtract. a) 76 – 33 b) 88 – 45 c) 55 – 27 d) 51 – 29
3. Mr. DeCastro’s class is collecting cereal boxes for an art project. On Monday, the children brought in 26 boxes. On Wednesday, the children brought in 43 boxes. How many more boxes did they bring in on Wednesday than on Monday? 4. Find two 2-digit numbers with a sum of 35. How many ways can you do this?
Lesson 6: Estimating Sums and Differences
1. Which number is the better estimate for each sum? Why do you think so? a) 57 + 79 = 130 or 140? b) 127 + 378 = 400 or 500? 2. Which number is the better estimate for each difference? Why do you think so? a) 76 – 45 = 20 or 30? b) 456 – 173 = 300 or 400? 3. Anika had 235 stickers. She gave away 57 stickers. Anika thinks she now has about 175 stickers. Is she close? How do you know?
Reading across Canada Read a Minimum of 20 Minutes a day and record your minutes in your agenda. Add them too! Play online Games on Canada and Addition
Concepts being taught in Decemeber: Themes: Remembrance, Peace and Human Rights, Province Pride, Literacy for everyone. Concepts: Time and Money (not covered in Oct.), Addition and Subtraction, Mental Math (Make 10, fact families) L.A (Book Clubs, writing seed stories, Editing) Social Studies (Nova Scotia Continued), Science (Structures), Health (Peer Influence, dealing with stress, Hygiene) Art (Expressing themselves with collage, colour adds mood to a art piece)