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Unit 1 focuses on number and place value, including hundred thousand, negative numbers, decimals, rounding, and number sequences. Unit 2 expands on fractions, equivalent fractions, ratio, proportion, and percentages. Units 3-4 cover mental and written calculation language. Units 5-6 introduce shape, 2D/3D figures, symmetry, position, and movement. Units 7-9 provide measurement words, time terms, and perimeter and area 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negative number | 負の数（0より小さい数） |  |\n| place holder | 306、 1.02などの中の0のこと |  |\n| 5-digit number | 5けたの数 |  |\n| decimal number | 小数点数 |  |\n| decimal point | 小数点 |  |\n| >, greater than~ | ~より大きい |  |\n| \u003C, less than~ | ~より小さい |  |\n| round | およその数に直す |  |\n| approximately | およそ |  |\n| ascending | 増えていく順番 |  |\n| descending | 減っていく順番 |  |\n| step size | 数と数の間隔 |  |\n| odd number | 奇数 |  |\n| even number | 偶数 |  |\n| number sequence | 決まりによって連なる数 |  |\n| identify the rule | 決まりを見つけること |  |\n| extend the sequence | さらに続く数を見つけること |  |\n\nUnit 2-Fractions, Decimals, Percentages, Ratio and Proportion  \n\n| English | Japanese | Examples |\n| --- | --- | --- |\n| fraction | 分数 | |\n| proper fraction | 真分数（分子が分母より小さい) |  |\n| improper fraction | 仮分数（分子が分母より大きい) |  |\n| mixed number | 帯分数\u003Cbr>（整数と分数がひっついた分数） |  |\n| numerator | 分子 |  |\n| denominator | 分母 |  |\n| equivalent | 同じ |  |\n| ratio |  |  |\n| proportion | 割合(わりあい) | ※割合の0. 1を10%、または、 1割(わり)という。\u003Cbr>※割合の0. 01を1%、または、 1分(ぶ)という。\u003Cbr>※割合の0. 001を0. 1%、または、1厘(りん)という。\u003Cbr>0. 25を歩合(ぶあい)で表すと、2割5分\u003Cbr>百分率で表すと25% |\n| percentage | 百分率(ひゃくぶんりつ)パーセント(%) |  |\n\nUnit 3-Mental Calculation  \n\n| English | Japanese | Examples |\n| --- | --- | --- |\n| mental calculation | 暗算 |  |\n| doubling | 2倍にする |  |\n| halving | 半分にする |  |\n| complementary addition | 引き算の答えを逆に足し算を使って出す方法 |  |\n| near multiple | 10、100などの分かりやすい数を使って計算する仕方 | 例 9×11を9×10+9というように計算する |\n| sequencing | 百の位、十の位、 一の位と順番に足していく方法 | |\n| factor | ある数をかけて作る数 |  |\n| square number | 同じ数をかけあってできる数。 | 例 1 ・4・3. 16. 25 ...など |\n| rules of divisibility | その数がある数で割り切れるかどうかのきまり |  |\n| inverse | 反対の方法 足し算のinverseは引き算、かけ算のinverseは割り算 |  |\n\nUnit 4 - Written Calculation  \n\n| English | Japanese | Examples |\n| --- | --- | --- |\n| addition | 足し算 |  |\n| partitioning | 位ごとに数をわかりやすく分けること |  |\n| sequencing | 連続する、順番に並ぶ |  |\n| compact method | かけ算ひっ算 |  |\n| column method | たてにそろえて行うひっ算を使う方法 |  |\n| subtraction | ひき算 |  |\n| difference | ちがい、差 |  |\n| compensation | 数を簡単にして計算する方法 | 18+24を(18+2)+(24-2)=20+22=42 |\n| multiplication | かけ算 |  |\n| product | 積・掛け算の答え |  |\n| grid method | 大きな数のかけ算をする方法（右図） |  |\n| division | 割り算 |  |\n| remainder | 残り、あまり |  |\n| quotient | 商 ・ 割り算の答え |  |\n| divisor | 割る数 |  |\n| brackets | かっこ( ) |  |\n| estimate | およその数をだす。 |  |\n| Round up | 四捨五入 |  |\n\nUnit 5-Shape  \n\n| English | Japanese | Examples |\n| --- | --- | --- |\n| 3D three-dimensional | 立体 |  |\n| cube | 立方体 |  |\n| cuboid | 直方体 |  |\n| pyramid | 錐(すい)、ピラミッド型 |  |\n| sphere | 球 |  |\n| hemisphere | 半球 |  |\n| cone | 円錐(えんすい) |  |\n| cylinder | 円柱 |  |\n| tetrahedron | 四面体 |  |\n| triangular prism | 三角柱 |  |\n| faces | （立体の)面 |  |\n| edges | (立体の2面の)接線 |  |\n| vertices | 頂点 |  |\n| curved surfaces | 曲面 |  |\n| 2D two-dimensional | 平面 |  |\n| circle | 円 |  |\n| semicircle | 半円 |  |\n| ellipse | だ円 |  |\n| triangle | 三角形 |  |\n| equilateral triangle | 正三角形 |  |\n| isosceles triangle | 二等辺三角形 |  |\n| scalene triangle | 不等辺三角形 |  |\n| square | 正方形 |  |\n| rectangle | 長方形 |  |\n\nUnit 5(2) -Shape  \n\n| English | Japanese | Examples |\n| --- | --- | --- |\n| oblong | 長方形 |  |\n| pentagon | 五角形 |  |\n| hexagon | 六角形 |  |\n| heptagon | 七角形 |  |\n| octagon | 八角形 |  |\n| polygon | 多角形 |  |\n| polyhedron | 多面体 |  |\n| quadrilateral | 四辺形 |  |\n| parallel | 平行 |  |\n| perpendicular | 垂直 |  |\n| regular | 正則 |  |\n| irregular | 不規則 |  |\n| diagonal | 対角 |  |\n| horizontal | 水平 |  |\n| vertical | 垂直 |  |\n| reflective |  |  |\n| symmetry | 対称 |  |\n| Rotational symmetry | 回転対称 |  |\n| lines of symmetry | 対称軸 |  |\n| sides | 面 |  |\n| protractor | 分度器 |  |\n| angles | 角度 |  |\n| degrees | 次数 |  |\n\nUnit 6-Position and Movement  \n\n| English | Japanese |  | Examples |\n| --- | --- | --- | --- |\n| position | 場所（座標上での) |  |  |\n| movement | 移動（座標上での) |  |  |\n| clockwise | 時計回り |  |  |\n| anti-clockwise | 反時計回り |  |  |\n| coordinates | 座標 |  |  |\n| horizontal axis | X軸 |  |  |\n| verticle axis | Y軸 |  |  |\n| mirror line | 対称軸 |  |  |\n| reflective sym","cbCaij70qdipmG5H","https://ap.wps.com/l/cbCaij70qdipmG5H","pdf",1509270,11,"English","# Unit 1 - Number and Place Value\n## Unit 2 - Fractions, Decimals, Percentages, Ratio and Proportion\n## Unit 3 - Mental Calculation\n## Unit 4 - Written Calculation\n## Unit 5 - Shape\n## Unit 5(2) - Shape\n## Unit 6 - Position and Movement\n## Unit 7 - Length, Mass and Capacity\n## Unit 8 - Time\n## Unit 9 - Perimeter and Area","[{\"question\":\"What topics are covered in Unit 1 of the Grade 4 maths vocabulary list?\",\"answer\":\"Unit 1 covers number and place value terms such as hundred thousand, negative number, decimal number, decimal point, rounding, and number sequences.\"},{\"question\":\"Which units focus on calculation methods and arithmetic vocabulary?\",\"answer\":\"Unit 3 focuses on mental calculation terms, while Unit 4 focuses on written calculation terms including addition, subtraction, multiplication, division, and related concepts like quotient and remainder.\"},{\"question\":\"What vocabulary areas are included in Units 5 to 9?\",\"answer\":\"Units 5 and 5(2) cover shape and geometry terms, Unit 6 covers position and movement, Unit 7 covers length, mass, capacity, and measurement systems, Unit 8 covers time terms, and Unit 9 covers perimeter and area.\"}]","Maths Dictionary - Grade 4 - Vocabulary Units 1-9 | PDF",1790855966,28]