{"product_id":"math-mammoth-place-value-3","title":"Math Mammoth Place Value 3","description":"\u003cp\u003eMath Mammoth Place Value 3 is a short worktext meant for third grade level that focuses on four-digit numbers. The first lessons cover place value and comparing four-digit numbers. The rest of the book deals with addition, subtraction, and word problems.\u003c\/p\u003e\n\n\u003cp\u003eFirst, students learn to write and read four-digit numbers. Then they learn about the concept of place value, write numbers in expanded form, and place them on number lines. One lesson is spent comparing numbers.\u003c\/p\u003e\n\n\u003cp\u003eThen we turn our attention to addition and subtraction, first using mental math. The lessons on mental math stress the similarities between adding and subtracting four-digit numbers and adding and subtracting smaller numbers. This helps build number sense.\u003c\/p\u003e\n\n\u003cp\u003eSeveral lessons are spent on adding and subtracting four-digit numbers in columns and practicing regrouping. Students also solve a variety of word problems involving four-digit numbers along the way.\u003c\/p\u003e\n\n\u003cp\u003eI advise that you do not assign all the exercises by default. Use your judgment, and strive to vary the number of assigned exercises according to the studentÕs needs.\u003c\/p\u003e\n\n\u003cp\u003eGood Mathematical Practices. The book has lots of opportunities to focus on accuracy (precision) and checking oneÕs own work. Addition problems can be checked by adding each column in a different order. Subtraction problems can be checked by adding. Sometimes children hurry through their work and thus make mistakes. DonÕt assign so much work that it creates time-related stress. Less can be more! Emphasize to your student(s) that they can take time to compute carefully, and to check their own work.\u003c\/p\u003e","brand":"Maria Miller","offers":[{"title":"Paperback","offer_id":44229292064929,"sku":"9781111124410","price":25.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0462\/1120\/3233\/files\/1e86rq7-front-shortedge-384.jpg?v=1747535006","url":"https:\/\/bookswholesale.myshopify.com\/products\/math-mammoth-place-value-3","provider":"BooksWholesale","version":"1.0","type":"link"}