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vx[v]="addk7bx1.htm"; vz[v]="Add Objects II"; vy[v]="Basic Addition";v++;
vx[v]="addk7cx1.htm"; vz[v]="Adding Numbers I"; vy[v]="Basic Addition";v++;
vx[v]="addk7dx1.htm"; vz[v]="Adding Numbers II"; vy[v]="Basic Addition";v++;
vx[v]="addk7ex1.htm"; vz[v]="Adding Using Words"; vy[v]="Basic Addition";v++;
vx[v]="add26ax2.htm"; vz[v]="Addition Facts for 0, 1 and 2"; vy[v]="Addition Facts";v++;
vx[v]="add26ax3.htm"; vz[v]="Addition Facts for 3 and 4"; vy[v]="Addition Facts";v++;
vx[v]="add26ax4.htm"; vz[v]="Addition Facts for 5 and 6"; vy[v]="Addition Facts";v++;
vx[v]="add26ax5.htm"; vz[v]="Addition Facts for 7 and 8"; vy[v]="Addition Facts";v++;
vx[v]="add26ax6.htm"; vz[v]="Addition Facts for 9 and 10"; vy[v]="Addition Facts";v++;
vx[v]="add26ax1.htm"; vz[v]="Addition Facts for All to 9 + 9"; vy[v]="Addition Facts";v++;
vx[v]="add27_x1.htm"; vz[v]="Adding Tens"; vy[v]="Addition";v++;
vx[v]="add27_x4.htm"; vz[v]="Adding Two Digit Numbers Without Renaming"; vy[v]="Addition";v++;
vx[v]="add27_x2.htm"; vz[v]="Adding Three Numbers"; vy[v]="Addition";v++;
vx[v]="add38_x1.htm"; vz[v]="Adding Hundreds"; vy[v]="Addition";v++;
vx[v]="add27cx1.htm"; vz[v]="Addition with Mental Math"; vy[v]="Addition";v++;
vx[v]="add27dx1.htm"; vz[v]="Addition with Pencil and Paper"; vy[v]="Addition";v++;
vx[v]="add27ex1.htm"; vz[v]="Addition with a Calculator"; vy[v]="Addition";v++;
vx[v]="add38ax1.htm"; vz[v]="Estimation of Sums"; vy[v]="Addition";v++;
vx[v]="add73ax1.htm"; vz[v]="Front End Estimation of Sums"; vy[v]="Addition";v++;
vx[v]="add27_x3.htm"; vz[v]="Add three 2-digit Numbers"; vy[v]="Addition";v++;
vx[v]="add38cx1.htm"; vz[v]="Add three digit Numbers"; vy[v]="Addition";v++;
vx[v]="add38cx2.htm"; vz[v]="Add five digit Numbers"; vy[v]="Addition";v++;
vx[v]="add38cx3.htm"; vz[v]="Add six digit Numbers"; vy[v]="Addition";v++;
vx[v]="add38cx4.htm"; vz[v]="Add seven digit Numbers"; vy[v]="Addition";v++;
vx[v]="add34ax1.htm"; vz[v]="Relationship with Subtraction"; vy[v]="Properties & Relationships";v++;
vx[v]="add74ax1.htm"; vz[v]="Properties of Addition"; vy[v]="Properties & Relationships";v++;
vx[v]="add31dx1.htm"; vz[v]="Place Values and Addition"; vy[v]="Properties & Relationships";v++;
vx[v]="add39_x1.htm"; vz[v]="Multiplication by Addition"; vy[v]="Properties & Relationships";v++;
vx[v]="add27_x5.htm"; vz[v]="Add Vertical"; vy[v]="Addition Skills";v++;
vx[v]="add312x1.htm"; vz[v]="Addition of Decimal Tenths"; vy[v]="Addition Skills";v++;
vx[v]="add211x3.htm"; vz[v]="Adding Nickels and Pennies"; vy[v]="Addition Skills";v++;
vx[v]="add211x1.htm"; vz[v]="Adding Dimes and Pennies"; vy[v]="Addition Skills";v++;
vx[v]="add211x2.htm"; vz[v]="Adding Dimes, Nickels and Pennies"; vy[v]="Addition Skills";v++;
vx[v]="add211x5.htm"; vz[v]="Adding Dollars, Dimes and Pennies"; vy[v]="Addition Skills";v++;
vx[v]="add45ax1.htm"; vz[v]="Addition of Money"; vy[v]="Addition Skills";v++;
vx[v]="add_2deci.htm"; vz[v]="Add 2 Decimals"; vy[v]="Addition Skills";v++;
vx[v]="add_3deci.htm"; vz[v]="Add 3 Decimals"; vy[v]="Addition Skills";v++;
vx[v]="add_ftin.htm"; vz[v]="Add Feet and Inches"; vy[v]="Addition Skills";v++;
vx[v]="add_lboz.htm"; vz[v]="Add Pounds and Ounces"; vy[v]="Addition Skills";v++;
vx[v]="add316_a.htm"; vz[v]="Addition of Hours and Minutes"; vy[v]="Addition Skills";v++;
vx[v]="addtwepd.htm"; vz[v]="Time - Add Days and Weeks"; vy[v]="Addition Skills";v++;
vx[v]="addtdaph.htm"; vz[v]="Time - Add Days and hours"; vy[v]="Addition Skills";v++;
vx[v]="addthrpm.htm"; vz[v]="Time - Add hours and minutes"; vy[v]="Addition Skills";v++;
vx[v]="addtmips.htm"; vz[v]="Time - Add Minutes and seconds"; vy[v]="Addition Skills";v++;
vx[v]="addtaddh.htm"; vz[v]="Time - Add hours"; vy[v]="Addition Skills";v++; 
vx[v]="addtadhh.htm"; vz[v]="Time - Add half hours"; vy[v]="Addition Skills";v++;
vx[v]="add46ax1.htm"; vz[v]="Estimating Sums"; vy[v]="Addition Skills";v++;
vx[v]="add73ax2.htm"; vz[v]="Front End Estimation of Sums"; vy[v]="Addition Skills";v++;
vx[v]="add-est-dec-sum.htm"; vz[v]="Estimate Sum of Decimals"; vy[v]="Addition Skills";v++;
vx[v]="add21dx1.htm"; vz[v]="Place Values by Adding"; vy[v]="Addition Skills";v++;
vx[v]="add53_x1.htm"; vz[v]="The Four Basic Operations"; vy[v]="Addition Skills";v++;
vx[v]="add28yx1.htm"; vz[v]="Add Roman Numerals"; vy[v]="Addition Skills";v++;
vx[v]="add18cx1.htm"; vz[v]="One Digit Addition Equations"; vy[v]="Addition Equations";v++;
vx[v]="add27fx1.htm"; vz[v]="Two Digit Addition Equations"; vy[v]="Addition Equations";v++;
vx[v]="add38ix1.htm"; vz[v]="Three Digit Addition Equations"; vy[v]="Addition Equations";v++;
vx[v]="add38jx1.htm"; vz[v]="Four Digit Addition Equations"; vy[v]="Addition Equations";v++;
vx[v]="add516x1.htm"; vz[v]="Five Digit Addition Equations"; vy[v]="Addition Equations";v++;
vx[v]="add516x2.htm"; vz[v]="Six Digit Addition Equations"; vy[v]="Addition Equations";v++;
vx[v]="add65_x2.htm"; vz[v]="One Digit Addition of Integers"; vy[v]="Addition of Positive and Negative Integers";v++;
vx[v]="add65_x4.htm"; vz[v]="One Digit Addition Integer Equations"; vy[v]="Addition of Positive and Negative Integers";v++;
vx[v]="add65_x3.htm"; vz[v]="Two Digit Addition Integer Addition"; vy[v]="Addition of Positive and Negative Integers";v++;
vx[v]="add65_x5.htm"; vz[v]="Two Digit Integer Addition Equations"; vy[v]="Addition of Positive and Negative Integers";v++;
vx[v]="add65_x1.htm"; vz[v]="Adding Three Integers"; vy[v]="Addition of Positive and Negative Integers";v++;
vx[v]="add75_x1.htm"; vz[v]="Three Digit Integer Addition Equations"; vy[v]="Addition of Positive and Negative Integers";v++;
vx[v]="add85_x1.htm"; vz[v]="Four Digit Integer Addition Equations"; vy[v]="Addition of Positive and Negative Integers";v++;
vx[v]="add66ax1.htm"; vz[v]="Adding Like Fractions"; vy[v]="Addition of Fractions";v++;
vx[v]="add66kx1.htm"; vz[v]="Adding Unlike Fractions"; vy[v]="Addition of Fractions";v++;
vx[v]="add66dx1.htm"; vz[v]="Adding Mixed Numbers"; vy[v]="Addition of Fractions";v++;
vx[v]="add.htm"; vz[v]="Table of Contents";vy[v]="Table of Contents";v++; 
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tx[tt]="add_ftin.html"; tz[tt]="add_ftin.htm";tt++;
tx[tt]="add_lboz.html"; tz[tt]="add_lboz.htm";tt++;
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tx[tt]="add18a-add.html"; tz[tt]="add-g18a_ax1.htm";tt++;
tx[tt]="add-pv-machine.html"; tz[tt]="add-pv-machine.htm";tt++;
tx[tt]="add18c-sent-add1.html"; tz[tt]="add18cx1.htm";tt++;
tx[tt]="add18cx1.html"; tz[tt]="add18cx1.htm";tt++;
tx[tt]="add211x1.html"; tz[tt]="add211x1.htm";tt++;
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tx[tt]="add211x3.html"; tz[tt]="add211x3.htm";tt++;
tx[tt]="add211x5.html"; tz[tt]="add211x5.htm";tt++;
tx[tt]="add21dx1.html"; tz[tt]="add21dx1.htm";tt++;
tx[tt]="add21d-placevalue-add.html"; tz[tt]="add21dx1.htm";tt++;
tx[tt]="add26ax1.html"; tz[tt]="add26ax1.htm";tt++;
tx[tt]="add26a1-add02.html"; tz[tt]="add26ax1.htm";tt++;
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tx[tt]="add26a3-add34.html"; tz[tt]="add26ax2.htm";tt++;
tx[tt]="add26a5-add56.html"; tz[tt]="add26ax3.htm";tt++;
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tx[tt]="add27-add-vertical.html"; tz[tt]="add27_x3.htm";tt++;
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tx[tt]="add27-add3-numbers.html"; tz[tt]="add27_x5.htm";tt++;
tx[tt]="add27_x5.html"; tz[tt]="add27_x5.htm";tt++;
tx[tt]="add27c-addmm.html"; tz[tt]="add27cx1.htm";tt++;
tx[tt]="add27cx1.html"; tz[tt]="add27cx1.htm";tt++;
tx[tt]="add27d-addpp.html"; tz[tt]="add27dx1.htm";tt++;
tx[tt]="add27dx1.html"; tz[tt]="add27dx1.htm";tt++;
tx[tt]="add27ex1.html"; tz[tt]="add27ex1.htm";tt++;
tx[tt]="add27e-addcalc.html"; tz[tt]="add27ex1.htm";tt++;
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tx[tt]="add28y-add-roman.html"; tz[tt]="add28yx1.htm";tt++;
tx[tt]="add312x1.html"; tz[tt]="add312x1.htm";tt++;
tx[tt]="add312-adddeci.html"; tz[tt]="add312x1.htm";tt++;
tx[tt]="add316-add-hours-minutes.html"; tz[tt]="add316_a.htm";tt++;
tx[tt]="add316_a.html"; tz[tt]="add316_a.htm";tt++;
tx[tt]="add31d-placevalue-add.html"; tz[tt]="add31dx1.htm";tt++;
tx[tt]="add31dx1.html"; tz[tt]="add31dx1.htm";tt++;
tx[tt]="add34a-inverseadd.html"; tz[tt]="add34ax1.htm";tt++;
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tx[tt]="add38-add-100s.html"; tz[tt]="add38_x1.htm";tt++;
tx[tt]="add38a-addestimate.html"; tz[tt]="add38ax1.htm";tt++;
tx[tt]="add38ax1.html"; tz[tt]="add38ax1.htm";tt++;
tx[tt]="add38cx1.html"; tz[tt]="add38cx1.htm";tt++;
tx[tt]="add38c-add-3digit.html"; tz[tt]="add38cx1.htm";tt++;
tx[tt]="add38cx2.html"; tz[tt]="add38cx2.htm";tt++;
tx[tt]="add38c-add-5digit.html"; tz[tt]="add38cx2.htm";tt++;
tx[tt]="add38cx3.html"; tz[tt]="add38cx3.htm";tt++;
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tx[tt]="add38cx4.html"; tz[tt]="add38cx4.htm";tt++;
tx[tt]="add38c-add-7digit.html"; tz[tt]="add38cx4.htm";tt++;
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tx[tt]="add45a-addmoney.html"; tz[tt]="add45ax1.htm";tt++;
tx[tt]="add45ax1.html"; tz[tt]="add45ax1.htm";tt++;
tx[tt]="add46a-estsum.html"; tz[tt]="add46ax1.htm";tt++;
tx[tt]="add46ax1.html"; tz[tt]="add46ax1.htm";tt++;
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tx[tt]="add65-add-integers1.html"; tz[tt]="add65_x2.htm";tt++;
tx[tt]="add65_x3.html"; tz[tt]="add65_x3.htm";tt++;
tx[tt]="add65-add-integers2.html"; tz[tt]="add65_x3.htm";tt++;
tx[tt]="add65_x4.html"; tz[tt]="add65_x4.htm";tt++;
tx[tt]="add65-sent-add-int1.html"; tz[tt]="add65_x4.htm";tt++;
tx[tt]="add65-sent-add-int2.html"; tz[tt]="add65_x5.htm";tt++;
tx[tt]="add65_x5.html"; tz[tt]="add65_x5.htm";tt++;
tx[tt]="add66ax1.html"; tz[tt]="add66ax1.htm";tt++;
tx[tt]="add410a-addfractld.html"; tz[tt]="add66ax1.htm";tt++;
tx[tt]="add66a-addfractld.html"; tz[tt]="add66ax1.htm";tt++;
tx[tt]="add311-addfract.html"; tz[tt]="add66ax1.htm";tt++;
tx[tt]="add66d-addmixedld.html"; tz[tt]="add66dx1.htm";tt++;
tx[tt]="add66dx1.html"; tz[tt]="add66dx1.htm";tt++;
tx[tt]="add66k-addfracud.html"; tz[tt]="add66kx1.htm";tt++;
tx[tt]="add66kx1.html"; tz[tt]="add66kx1.htm";tt++;
tx[tt]="add73ax1.html"; tz[tt]="add73ax1.htm";tt++;
tx[tt]="add73a-front-end-est-sum.html"; tz[tt]="add73ax1.htm";tt++;
tx[tt]="add73ax2.html"; tz[tt]="add73ax2.htm";tt++;
tx[tt]="add74a-propertiesadd.html"; tz[tt]="add74ax1.htm";tt++;
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tx[tt]="add85-sent-add-int4.html"; tz[tt]="add85_x1.htm";tt++;
tx[tt]="add85_x1.html"; tz[tt]="add85_x1.htm";tt++;
tx[tt]="addk7ax1.html"; tz[tt]="addk7ax1.htm";tt++;
tx[tt]="addk7a-add-obj.html"; tz[tt]="addk7ax1.htm";tt++;
tx[tt]="addk7b-add-obj.html"; tz[tt]="addk7bx1.htm";tt++;
tx[tt]="addk7bx1.html"; tz[tt]="addk7bx1.htm";tt++;
tx[tt]="addk7c-add.html"; tz[tt]="addk7cx1.htm";tt++;
tx[tt]="addk7cx1.html"; tz[tt]="addk7cx1.htm";tt++;
tx[tt]="addk7d-add.html"; tz[tt]="addk7dx1.htm";tt++;
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tx[tt]="addk7ex1.html"; tz[tt]="addk7ex1.htm";tt++;
tx[tt]="addk7e-add-words.html"; tz[tt]="addk7ex1.htm";tt++;
tx[tt]="addtaddh.html"; tz[tt]="addtaddh.htm";tt++;
tx[tt]="addtadhh.html"; tz[tt]="addtadhh.htm";tt++;
tx[tt]="addtdaph.html"; tz[tt]="addtdaph.htm";tt++;
tx[tt]="addthrpm.html"; tz[tt]="addthrpm.htm";tt++;
tx[tt]="addtmips.html"; tz[tt]="addtmips.htm";tt++;
tx[tt]="addtwepd.html"; tz[tt]="addtwepd.htm";tt++;
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