,"back":"Like terms have the same variable part, such as $2x$ and $5x$.","points":null},{"id":"5ecc278e-6fbf-4de8-a437-c0d817d9eb1a","cardType":"basic","front":"Simplify $(4x-2)+(x+6)+(2x+1)$.","back":"$7x+5$","points":2},{"id":"f8bc182c-574d-455e-ae48-0d6ae8cf02e2","cardType":"basic","front":"In $3x-5$, what number term must be collected?","back":"$-5$","points":1},{"id":"cfc2cba9-75d1-4024-bb6d-ec82e666e1f0","cardType":"cloze","front":"To form an equation from a known total, write an expression and set it [ ] to the given value.","back":"To form an equation from a known total, write an expression and set it equal to the given value.","points":null},{"id":"a9f4f618-44ba-429d-9a7e-c7739a35c668","cardType":"cloze","front":"Adding and [ ] are inverse operations; multiplying and [ ] are inverse operations.","back":"Adding and subtracting are inverse operations; multiplying and dividing are inverse operations.","points":null},{"id":"53b8ed14-010d-4cf9-8245-f68f2218715a","cardType":"basic","front":"Rectangle length $3x+2$, width $x+4$: write the perimeter expression.","back":"$2(3x+2)+2(x+4)$","points":2},{"id":"f49882da-15ae-49ae-b5b5-29608723feb6","cardType":"basic","front":"Solve $8x+12=44$.","back":"$x=4$","points":2},{"id":"67c96496-0143-4925-9c12-505a9205b680","cardType":"cloze","front":"Angles on a straight line add to [ ]; angles around a point add to [ ].","back":"Angles on a straight line add to 180°; angles around a point add to 360°.","points":null},{"id":"1fb050a1-0391-44d7-ae8e-ef69beba0de1","cardType":"cloze","front":"A right angle is [ ]; angles in a triangle add to [ ].","back":"A right angle is 90°; angles in a triangle add to 180°.","points":null},{"id":"879b6266-0096-485f-add4-b29937efca5f","cardType":"basic","front":"Solve $4x+(2x+6)=90$.","back":"$x=14$","points":2},{"id":"2af0629e-cb65-4333-93f7-97b68ac81852","cardType":"basic","front":"Solve $(2x+5)+(x+20)+(x-1)=180$.","back":"$x=39$","points":2},{"id":"52912860-33f6-4392-b390-33c885e1a10c","cardType":"cloze","front":"In a right-angled triangle, the two other angles add to [ ], not 180° by themselves.","back":"In a right-angled triangle, the two other angles add to 90°, not 180° by themselves.","points":null},{"id":"b800be6e-22ce-4e16-bbfa-03e8efb1e1cb","cardType":"basic","front":"What expression gives the area of a triangle?","back":"1/2 × base × height","points":1},{"id":"fa17665b-0de2-4616-be5c-6ad70a0d00f9","cardType":"basic","front":"How is perpendicular height measured relative to the base?","back":"At 90° to the base.","points":1},{"id":"8809e20f-6328-4bf8-b000-2190b0cb29b1","cardType":"basic","front":"Right-angled triangle sides $5x$ and $4x$, area 360: what equation is formed?","back":"$1/2\\times 5x\\times 4x=360$","points":2},{"id":"97e8dd66-787f-4efa-9872-767d46acf2a5","cardType":"basic","front":"Why use $x=6$, not $x=-6$, when $x^2=36$ and $x$ is a length?","back":"A length cannot be negative.","points":2},{"id":"453aef6b-9179-46d7-bbbd-3f54703b1fab","cardType":"basic","front":"Parallelogram opposite sides $4x+1$ and $2x+13$: what equation is formed?","back":"$4x+1=2x+13$","points":1},{"id":"1f471409-1ebf-473e-a191-3691febd0152","cardType":"basic","front":"What expression gives the area of a parallelogram?","back":"base × perpendicular height","points":1},{"id":"16b422a9-4578-49be-9f03-4d750e5db663","cardType":"basic","front":"Sam has $x$ counters, Tia has twice as many, Ravi has 4 more than Tia.

Forming and Solving Equations Flashcards

Forming and Solving Equations Flashcards

Forming and Solving Equations Flashcards

Forming and Solving Equations Flashcards