Страница 6, ГДЗ по математике за 2 класс к проверочным работам Волковой. Серия "Школа России" к УМК Моро
Нумерация. Проверочная работа 2. Вариант 1
\[47, 48, 49, \textcolor{#e03131}{\mathbf{50}}, \textcolor{#e03131}{\mathbf{51}}, 52, 53, 54, \textcolor{#e03131}{\mathbf{55}}, \textcolor{#e03131}{\mathbf{56}}, 57.\]
\[\begin{array}{|c|c|c|c|c|} \hline 29 & 43 & 48 & 59 & 60 \\ \hline \textcolor{#e03131}{\mathbf{30}} & \textcolor{#e03131}{\mathbf{44}} & \textcolor{#e03131}{\mathbf{49}} & \textcolor{#e03131}{\mathbf{60}} & \textcolor{#e03131}{\mathbf{61}} \\ \hline \end{array}\] Уменьши на 1: \[\begin{array}{|c|c|c|c|c|} \hline 40 & 69 & 80 & 90 & 100 \\ \hline \textcolor{#e03131}{\mathbf{39}} & \textcolor{#e03131}{\mathbf{68}} & \textcolor{#e03131}{\mathbf{79}} & \textcolor{#e03131}{\mathbf{89}} & \textcolor{#e03131}{\mathbf{99}} \\ \hline \end{array}\]
\[\begin{aligned} 3\text{ см} &= \textcolor{#e03131}{\mathbf{30}}\text{ мм} & \qquad 95\text{ мм} &= \textcolor{#e03131}{\mathbf{9}}\text{ см }\textcolor{#e03131}{\mathbf{5}}\text{ мм} \\ \textcolor{#e03131}{\mathbf{8}}\text{ дм} &= 80\text{ см} & \qquad 27\text{ см} &= \textcolor{#e03131}{\mathbf{2}}\text{ дм }\textcolor{#e03131}{\mathbf{7}}\text{ см} \end{aligned}\]
\[\begin{aligned} 7 + 4 &= \textcolor{#e03131}{\mathbf{11}} & \qquad 15 - 6 &= \textcolor{#e03131}{\mathbf{9}} & \qquad 8 + 5 - 3 &= \textcolor{#e03131}{\mathbf{10}} \\ 3 + 9 &= \textcolor{#e03131}{\mathbf{12}} & \qquad 14 - 8 &= \textcolor{#e03131}{\mathbf{6}} & \qquad 11 - 3 + 2 &= \textcolor{#e03131}{\mathbf{10}} \end{aligned}\]
\(8 + 2 = \textcolor{#e03131}{\mathbf{10}}\text{ (см)}\) \[\begin{array}{l} \textcolor{#e03131}{\rule{0.07em}{0.7em}\rule[0.315em]{8em}{0.07em}\rule{0.07em}{0.7em}\ \ \mathbf{8}\textbf{ см}} \\[6pt] \textcolor{#e03131}{\rule{0.07em}{0.7em}\rule[0.315em]{10em}{0.07em}\rule{0.07em}{0.7em}\ \ \mathbf{10}\textbf{ см}} \end{array}\]
\[\textcolor{#e03131}{\mathbf{33}}, \textcolor{#e03131}{\mathbf{34}}, \textcolor{#e03131}{\mathbf{37}}, \textcolor{#e03131}{\mathbf{43}}, \textcolor{#e03131}{\mathbf{44}}, \textcolor{#e03131}{\mathbf{47}}, \textcolor{#e03131}{\mathbf{73}}, \textcolor{#e03131}{\mathbf{74}}, \textcolor{#e03131}{\mathbf{77}}.\]