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Pre Algebra 1-2 1st Quarter Test Name __________________ Date _________ Block ____ Change the words to patterns of dots and describe each of the following using symbols. 1) A group of three dots. 2) Three groups of two dots and a group of four dots. 3) Two groups with subgroups of four and five dots. Draw a picture of the following and label it. 4) W = 3g + 5d; g = 2d 5) W = -2d + 3g; g = 4d 6) For problem number 5 above, W = ____ d 7) Draw a picture showing that 4(1d + 3d) = 4(1d) + 4(3d) 8) W = 10d. Draw this three different ways with different groups. 1st Quarter Test Pre Algebra 1-2 Page 2 Draw a picture and describe using symbols and numbers. 9) Describe in terms of B C 10) Describe in terms of B D Describe using words and mathematical symbols. Also combine to as few dots as possible. 11) 12) 13) 14) Page 3 1st Quarter Test Pre Algebra 1-2 Simplify using dot pictures. 15) 6 + (-3) 16) -3 + 2(3 + 4) Fill in the banks with one of the following symbols: <, >, =, . 17) 18) 19) Draw dot pictures for the following symbols. Fill in the blanks for the missing information. Be sure to label your pictures. 20) W = 12d g = 4d W = ___ g 21) W = 3g + -4d g = 3d W = ___ d Pre Algebra 1-2 1st Quarter Test Page 4 Draw dot pictures for the following symbols. Fill in the blanks for the missing information. Be sure to label your pictures. 22) W = 2(2g + h) g = 3d h = g + 2d W = ___ d 23) W = 14d W = 4g + 2h h = 3d g = ___ d Bonus questions 1) W = 18d W = 3g g = ___ d g=h+i h = 2d i = ___ d 2) Explain the difference between ‘equivalent’ and ‘exactly equal’. Also, draw a picture showing ‘equivalent’ and another picture showing ‘exactly equal’.