5 Math Unit 2 TEKS

Rounding and estimation in word problems. Justify reasonableness. Single digits are not rounded. Addition and subtraction-round to highest place value of smallest digit (237-46 would be 240-50) Multiplication and division-round to the reasonable place value of each number (461 x 73 would become 500 x 70 or 461 ÷ 73 would be 500 ÷ 70) ................
................