Math Explorer MatMath Explorer Mat Grade 1 Dry-Erase Sheet Protector Tool Name: Date: Number Line (0 – 20) Hop Right to Add (+) • Hop Left to Subtract (−) Draw your hops here ↷ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Double Ten Frame (20 Frame) Place counters or draw dots • 5 in each row Ten Frame 1 1 – 10 Ten Frame 2 11 – 20 Number Sentence Builder Write numbers on primary lines • Circle + or − Part / Start + / − Sign Part / Change = Equals Whole / Total Number Bond Part-Part-Whole WHOLE PART PART Fact Family Practice 4 Related Facts = = − = − = Quick Sketch / Story Check: