Đây là **Đề thi Violympic – Toán 2 - Vòng 16 vòng cấp Huyện Bảng A Năm học 2015 -2016** - Ra ngày 11/03/2016 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 15 vòng cấp Huyện Bảng A Năm học 2015 -2016** - Ra ngày 04/03/2016 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 14 vòng cấp trường Năm học 2015 -2016** - Ra ngày 29/01/2016 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 13 vòng cấp trường Năm học 2015 -2016** - Ra ngày 29/01/2016 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 12 vòng cấp trường Năm học 2015 -2016** - Ra ngày 31/12/2015 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 11 vòng cấp trường Năm học 2015 -2016** - Ra ngày 31/12/2015 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 10 vòng cấp trường Năm học 2015 -2016** - Ra ngày 23/12/2015 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 9 vòng tự luyện Năm học 2015 -2016** - Ra ngày 13/12/2015 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 7 vòng tự luyện Năm học 2015 -2016** - Ra ngày 30/11/2015 – Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.Anna scored 18 points in 3 games. What might her scores have been for each of the games?

Đây là **Đề thi Violympic – Toán 2 - Vòng 7 vòng tự luyện Năm học 2015 -2016** - Ra ngày 10/11/2015 – Q**uestion 1:** Draw X’s and group them in two ways to illustrate the two ways to multiply. Multiplying in two ways on the number line**Question 2: **For each number line, write the two multiplication sentences that the arrows portray.**Question 3:** Skip-count to fill in the multiplication table of 3. How does the picture relate to it?