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Name _______________________ Date ______________ What shortcut can you use to multiply tens by tens, such as 40 x 60? *Can this shortcut be used when multiplying tens by hundreds and hundreds by hundreds? Why or why not? 5.1 Name _______________________ Date ______________ What shortcut can you use to multiply tens by tens, such as 40 x 60? *Can this shortcut be used when multiplying tens by hundreds and hundreds by hundreds? Why or why not? 5.1 Name _______________________ Date ______________ *Suggest how to change a false number to make it true. 5.2 Name _______________________ Date ______________ *Suggest how to change a false number to make it true. 5.2 Name _______________________ Date ______________ Look at journal page 113. Explain how you solved Problems 2-4. *Can you describe more than one way to solve the problems? 5.3 Name _______________________ Date ______________ Look at journal page 113. Explain how you solved Problems 2-4. *Can you describe more than one way to solve the problems? 5.3 Name _______________________ Date ______________ Play Multiplication Wrestling. Record one round here. Cards: ________ ________ ________ ________ Numbers formed: ________ x ________ Teams: (________ + ________) x (________ + ________) Products: ________ x ________ = ________ ________ x ________ = ________ ________ x ________ = ________ ________ x ________ = ________ Total (add 4 products) ________ 5.4 Name _______________________ Date ______________ Play Multiplication Wrestling. Record one round here. Cards: ________ ________ ________ ________ Numbers formed: ________ x ________ Teams: (________ + ________) x (________ + ________) Products: ________ x ________ = ________ ________ x ________ = ________ ________ x ________ = ________ ________ x ________ = ________ Total (add 4 products) ________ 5.4 Name _______________________ Date ______________ Multiply using the partial-products method. 1. 82 x 3 = _________ 2. 6 x 53 = _________ *3. 574 x 5 = ________ *4. 3 x 470 = ________ *5. 2 x 1,523 = ________ 5.5 Name _______________________ Date ______________ Multiply using the partial-products method. 1. 82 x 3 = _________ 2. 6 x 53 = _________ *3. 574 x 5 = ________ *4. 3 x 470 = ________ *5. 2 x 1,523 = ________ 5.5 Name _______________________ Date ______________ Write number models to show your estimates. 3 x 52 = _______________ 4 x 26 = _______________ 9 x 74 = _______________ 8 x 632 = _______________ 6 x 569 = _______________ 3 x 248 = _______________ *2 x 7,414 = _______________ 5 x 8,299 = _______________ *7 x 6,172 = _______________ 5.6 Name _______________________ Date ______________ Write number models to show your estimates. 3 x 52 = _______________ 4 x 26 = _______________ 9 x 74 = _______________ 8 x 632 = _______________ 6 x 569 = _______________ 3 x 248 = _______________ *2 x 7,414 = _______________ 5 x 8,299 = _______________ *7 x 6,172 = _______________ 5.6 Name _______________________ Date ______________ Play five rounds of Top-It. Record your number sentence and your opponent’s number sentence. Write >, <, or = to compare the number sentences. Round Player 1 >, <, = Player 2 Sample 4 + 6 = 10 < 8 + 3 = 11 1 2 3 4 5 *Try playing a variation of the game where you solve 2-digit by 1-digit multiplication problems mentally. 5.7 Name _______________________ Date ______________ Play five rounds of Top-It. Record your number sentence and your opponent’s number sentence. Write >, <, or = to compare the number sentences. Round Player 1 >, <, = Player 2 Sample 4 + 6 = 10 < 8 + 3 = 11 1 2 3 4 5 *Try playing a variation of the game where you solve 2-digit by 1-digit multiplication problems mentally. 5.7 Name _______________________ Date ______________ Look at Problem 3a on journal page 127. Describe how you determined that a ream of paper would have 1 million dots. *How did you use this information to solve Problems 3b-3d? 5.8 Name _______________________ Date ______________ Look at Problem 3a on journal page 127. Describe how you determined that a ream of paper would have 1 million dots. *How did you use this information to solve Problems 3b-3d? 5.8 Name _______________________ Date ______________ Look at journal page 130. Describe the pattern in one of the rows in the table. *Can you extend the pattern past millions and/or ones? 5.9 Name _______________________ Date ______________ Look at journal page 130. Describe the pattern in one of the rows in the table. *Can you extend the pattern past millions and/or ones? 5.9 Name _______________________ Date ______________ Solve: 9 x 2 = _____ 9 x 9 = _____ *40 x 9 = _____ 4 x 4 = _____ 6 x 8 = _____ *50 x 7 = _____ 3 x 8 = _____ 6 x 7 = _____ *70 x 80 = _____ 5 x 4 = _____ 9 x 6 = _____ *30 x 90 = _____ 5.10 Name _______________________ Date ______________ Solve: 9 x 2 = _____ 9 x 9 = _____ *40 x 9 = _____ 4 x 4 = _____ 6 x 8 = _____ *50 x 7 = _____ 3 x 8 = _____ 6 x 7 = _____ *70 x 80 = _____ 5 x 4 = _____ 9 x 6 = _____ *30 x 90 = _____ 5.10 Name _______________________ Date ______________ Write <, >, or = to make each number sentence true. a. 356,789 _____ 354,999 b. 670,000 _____ 67,000,000 c. 62 million _____ 9,700,000 d. 105,000,000 _____ 15,500,000 *e. 104 _____ 1,000 5.11 Name _______________________ Date ______________ Write <, >, or = to make each number sentence true. a. 356,789 _____ 354,999 b. 670,000 _____ 67,000,000 c. 62 million _____ 9,700,000 d. 105,000,000 _____ 15,500,000 *e. 104 _____ 1,000 5.11