Bright Studio

This game will help students make the connection between place value and addition/subtraction, specifically with multiples of ten. Students will choose a number card (e.g., 57), spin to determine the change (e.g., +10), and record the sum. There are 5 different game boards in this product: +10, -10, +1, -110 more, 10 less, 1 more, 1 less+10, -10, +20, -20, +30, -30+100, -100, +10, -10100 more, 100 less, 10 more, 10 less*There is a second set of all 5 game boards as a different option with less c

Students will build their fact fluency and apply a mental math strategy: doubles facts! Students will use their knowledge of doubles to help them solve 3 addend problems. Example: 4 + 3 + 4 = 11 4 + 4 = 8 and 8 + 3 = 11 There are 8 different worksheets in this packet: 2 pages: Doubles to 5 (up to 5 + 5)2 pages: Doubles to 10 (up to 10 + 10)2 pages: Doubles to 15 (up to 15 + 15)2 pages: Finding Doubles in 3 addend problems

This student guide explains how to add two 2-digit numbers in numbers, words, and pictures. The base-10 pictures help students apply place value knowledge to addition, and lead to a deeper understanding of the traditional algorithm. There are 3 different guides in this product: Adding two 2-digit numbers (no regrouping; decade numbers): 3 stepsAdding two 2-digit numbers (no regrouping): 3 stepsAdding two 2-digit numbers (with regrouping): 5 stepsI have used these with students in various ways: